MAILBOX SERVICES AGREEMENT

Unlimited Packaging Service LLC

Newcastle, Washington

Effective Date: August 26, 2026

AGREEMENT entered into as of the Effective Date set forth above, by and between: Unlimited Packaging Service LLC, a limited liability company organized under the laws of the State of Washington, with its principal place of business in Newcastle, WA (hereinafter referred to as “Company”); — AND — The individual or entity identified in the signature block below (hereinafter referred to as “Customer”). The Company and Customer are each referred to herein individually as a “Party” and collectively as the “Parties.”

Important Notice — USPS CMRA Unlimited Packaging Service LLC operates as a USPS Commercial Mail Receiving Agency (CMRA). Federal law requires completion of USPS Form 1583 (Application for Delivery of Mail Through Agent) before mail service may commence. Failure to provide required documentation will prevent activation of mailbox services.

RECITALS

WHEREAS, the Company is a USPS-designated Commercial Mail Receiving Agency authorized to accept mail and packages on behalf of its customers at its business premises in Newcastle, Washington;

WHEREAS, the Company offers physical mailbox services and virtual mailbox services to individuals and businesses;

WHEREAS, the Customer desires to obtain mailbox services from the Company on the terms and conditions set forth herein;

NOW, THEREFORE, in consideration of the mutual covenants, promises, and conditions set forth below, and for other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the Parties agree as follows:

SECTION 1 — DEFINITIONS

1.1 “Agreement” means this Mailbox Services Agreement, including all Exhibits attached hereto, as may be amended in writing from time to time by mutual consent of the Parties.

1.2 “Company” means Unlimited Packaging Service LLC, its employees, agents, successors, and assigns.

1.3 “Customer” means the individual or business entity executing this Agreement and any authorized users identified by the Customer in writing.

1.4 “Mailbox Services” means the physical mailbox service, virtual mailbox service, package handling, mail forwarding, and all associated ancillary services provided by the Company under this Agreement.

1.5 “CMRA” means Commercial Mail Receiving Agency as defined by the United States Postal Service and governed by applicable USPS regulations.

1.6 “Physical Mailbox” means an assigned, numbered mailbox located at the Company’s premises providing the Customer with an in-person accessible mail receptacle at a street address format.

1.7 “Virtual Mailbox” means a mail management service in which the Company receives, logs, and digitally scans the Customer’s incoming mail and makes such scans available through a secure online portal.

1.8 “Rate Schedule” means the Company’s then-current published schedule of fees and charges for Mailbox Services, as updated by the Company from time to time upon thirty (30) days’ written notice to the Customer.

1.9 “USPS Form 1583” means the United States Postal Service Application for Delivery of Mail Through Agent, required to be completed and notarized by all CMRA customers prior to the commencement of Mailbox Services.

1.10 “Hold Period” means the period during which the Company will retain a Customer’s package prior to returning, donating, or disposing of the item in accordance with Section 7 of this Agreement.

SECTION 2 — USPS CMRA COMPLIANCE

2.1 Form 1583 Requirement. Prior to the commencement of any Mailbox Services, the Customer must complete, sign, and (where applicable) have notarized USPS Form 1583 (Application for Delivery of Mail Through Agent). No mail or packages will be accepted on the Customer’s behalf until a properly completed Form 1583 is on file with the Company. A copy of USPS Form 1583 is attached hereto as Exhibit A.

2.2 Identification Requirements. In accordance with USPS regulations, the Customer must present two (2) valid forms of identification at the time of account registration. At least one (1) form of identification must include a photograph. Acceptable forms of identification include, but are not limited to:

(a) Valid government-issued photo identification (e.g., driver’s license, state ID, or passport);

(b) A secondary form of ID bearing the Customer’s name and current address (e.g., utility bill, lease agreement, bank statement, or vehicle registration).

2.3 Business Customer Documentation. Customers registering a mailbox in the name of a business entity must, in addition to the identification requirements in Section 2.2, provide documentation evidencing the legal formation and current good standing of the business, such as articles of incorporation, articles of organization, a business license, or equivalent documentation acceptable to the Company.

2.4 Mail Reception on Customer’s Behalf. Subject to the Customer’s compliance with this Agreement and applicable USPS regulations, the Company will receive mail and packages addressed to the Customer at the Company’s designated business address. The Company acts as agent for the Customer solely for the purpose of receiving mail and parcels.

2.5 Regulatory Compliance and Reporting. The Company is required to comply with all applicable USPS regulations governing CMRA operations. The Company reserves the right, and may be obligated, to report to the USPS, law enforcement, or other governmental authorities any change in Customer information, suspected fraudulent activity, or violations of applicable law or postal regulations. Customer acknowledges this obligation and consents to such reporting as required by law.

2.6 Updated Information. The Customer must promptly notify the Company of any changes to the information provided on USPS Form 1583, including changes to authorized users, business name, or identification documents. An updated Form 1583 may be required at the Company’s discretion or as mandated by USPS regulations.

SECTION 3 — MAILBOX TYPES AND SERVICES

3A. Physical Mailbox Service

3.1 Assigned Mailbox. Upon activation of Physical Mailbox Service, the Company will assign the Customer a unique mailbox number at the Company’s premises. The Customer’s mailing address will be presented in a street address format (not as a P.O. Box), consistent with CMRA addressing standards.

3.2 Access. The Customer may access their Physical Mailbox during the Company’s posted business hours, as published on the Company’s website and displayed at its premises. The Company reserves the right to modify business hours upon reasonable advance notice to the Customer.

3.3 Multi-Carrier Package Acceptance. The Company will accept mail and packages delivered by all major carriers, including but not limited to the United States Postal Service (USPS), United Parcel Service (UPS), FedEx, DHL, and Amazon Logistics, on the Customer’s behalf during business hours.

3.4 Package Notification. The Company will notify the Customer of package arrivals via SMS text message and/or email, as designated by the Customer in their account settings. The Customer is responsible for maintaining accurate and current contact information to ensure receipt of notifications.

3.5 Package Hold Periods. Packages received on behalf of the Customer are subject to the following hold periods:

(a) Standard Packages: Thirty (30) calendar days from the date of receipt;

(b) Oversized Packages (packages exceeding dimensions or weight thresholds as defined in the Rate Schedule): Seven (7) calendar days from the date of receipt.

Packages not claimed or forwarded within the applicable Hold Period are subject to the disposition procedures set forth in Section 7.4 of this Agreement.

3.6 Mail Forwarding. Mail forwarding is available to Physical Mailbox customers for an additional fee per the Rate Schedule. Forwarding requests must be made in writing or through the Customer’s online account portal. See Section 8 for full terms governing mail forwarding.

3B. Virtual Mailbox Service

3.7 Virtual Mailbox Operation. For Customers enrolled in the Virtual Mailbox Service, the Company will receive mail on the Customer’s behalf, log each item, and upload digital scans of mail exteriors (and interiors, upon request) to the Customer’s secure online portal. The Customer will not have physical access to their mailbox at the Company’s premises under the Virtual Mailbox plan.

3.8 Customer-Directed Actions. Upon review of scanned mail in the online portal, the Customer may direct the Company to take one of the following actions with respect to each mail item:

(a) Scan Contents: Open and scan the full contents of the mail item for digital delivery to the Customer’s portal;

(b) Forward: Physical forwarding of the mail item to a Customer-specified address;

(d) Store: Physical retention of the mail item at the Company’s premises for a defined storage period.

3.9 Virtual Mailbox Fees. Each action described in Section 3.8 may incur separate fees, including but not limited to scan fees, content scan fees, forwarding fees, and storage fees, all as set forth in the current Rate Schedule. Fees are billed per occurrence or per item as applicable.

3.10 No Physical Access. Virtual Mailbox customers are not entitled to in-person access to their mailbox or stored mail at the Company’s premises, except by prior written arrangement and subject to additional fees as applicable.

SECTION 4 — FEES AND BILLING

4.1 Service Plans. Mailbox Services are offered on a month-to-month or annual subscription basis, as selected by the Customer at the time of enrollment. Applicable rates are set forth in the then-current Rate Schedule, which is incorporated herein by reference.

4.2 Recurring Billing and Auto-Renewal. The Customer authorizes the Company to charge the applicable service fees on a recurring basis (monthly or annually, as applicable) to the payment method on file. Subscriptions will automatically renew at the end of each billing period unless cancelled in accordance with Section 10.2 of this Agreement.

4.3 Late Payment. The Company will provide a ten (10) calendar day grace period following the due date for any outstanding balance. If payment is not received within such grace period, the Company reserves the right to suspend Mailbox Services without further notice until the account is brought current. Suspended accounts that remain unpaid may be subject to termination in accordance with Section 10.3.

4.4 Setup and Registration Fee. A one-time setup and registration fee is due at the time of enrollment. This fee is non-refundable under any circumstances, including early termination of this Agreement.

4.5 Additional Service Fees. Charges for additional services, including but not limited to package handling, oversized package fees, mail forwarding, content scanning, and secure storage, are billed per occurrence as set forth in the Rate Schedule and will be charged to the Customer’s payment method on file or invoiced separately.

4.6 Price Changes. The Company reserves the right to adjust its rates and fees at any time upon thirty (30) days’ prior written notice to the Customer. Such notice may be delivered via email to the Customer’s address of record. Continued use of Mailbox Services following the effective date of a price change constitutes the Customer’s acceptance of the updated rates.

4.7 No Refunds for Partial Periods. Except as expressly required by applicable law, no refunds or credits will be issued for partial billing months or unused service periods remaining at the time of cancellation or termination.

SECTION 5 — CUSTOMER RESPONSIBILITIES

5.1 Accurate Information. The Customer shall maintain accurate, complete, and current contact information on file with the Company at all times, including a valid email address, telephone number, and mailing or forwarding address. The Customer is responsible for all consequences arising from failure to maintain current contact information.

5.2 Timely Package Retrieval. The Customer shall promptly pick up, request forwarding of, or otherwise direct the disposition of packages within the applicable Hold Period as specified in Section 3.5. Failure to act within the Hold Period will result in disposition of the package pursuant to Section 7.4.

5.3 Lawful Use. The Customer shall not use the mailbox address, or Mailbox Services generally, for any fraudulent, illegal, or deceptive purpose, including but not limited to mail fraud, identity fraud, or any scheme to deceive third parties, creditors, government agencies, or the public regarding the nature or location of the Customer’s business or residence.

5.4 Notification of Changes. The Customer shall promptly notify the Company, in writing, of any:

(a) Change in business name, structure, or ownership;

(b) Addition or removal of authorized users who are permitted to access the Customer’s mailbox or receive mail on the Customer’s behalf;

5.5 Legal Compliance. The Customer shall comply with all applicable federal, state, and local laws and regulations governing the use of mail, including but not limited to the United States Postal Code (Title 18, U.S.C.) and applicable Washington State statutes. The Customer assumes sole responsibility for all legal obligations arising from their use of the Mailbox Services.

5.6 Registered Agent Restriction. The Customer shall not use the Company’s address or Mailbox Services as the address for a registered agent for the purposes of legal service of process, unless the Customer has obtained the Company’s prior written consent and has entered into a separate registered agent services agreement with the Company. Unauthorized use of the mailbox address as a registered agent address is grounds for immediate termination under Section 10.3.

SECTION 6 — AUTHORIZED USERS

6.1 Designation of Authorized Users. The Customer may designate additional individuals authorized to access the Customer’s mailbox and retrieve mail or packages on the Customer’s behalf. All authorized users must be identified in writing on USPS Form 1583 or a written addendum acceptable to the Company.

6.2 Identification of Authorized Users. Authorized users may be required to present valid photo identification when accessing the Customer’s mailbox or retrieving packages at the Company’s premises. The Company reserves the right to refuse access to any individual who fails to provide satisfactory identification.

6.3 Customer Responsibility for Authorized Users. The Customer is fully responsible for all actions taken by authorized users in connection with the Customer’s account and Mailbox Services. The Customer shall promptly notify the Company in writing of the removal of any authorized user’s access privileges.

6.4 Release of Mail to Presenting Party. The Company shall not be liable for the release of mail or packages to any individual presenting valid identification and listed as an authorized user on the Customer’s Form 1583, even if the Customer has subsequently revoked that individual’s authorization without notifying the Company.

SECTION 7 — PACKAGE HANDLING

7.1 Acceptance of Packages. The Company will use commercially reasonable efforts to accept packages delivered to the Company’s premises by any carrier on the Customer’s behalf during regular business hours. The Company is not obligated to accept packages that exceed size or weight limitations established by the Company, or that appear to contain hazardous, prohibited, or perishable items in violation of Section 9 of this Agreement.

7.2 Oversized and Heavy Package Fees. Packages that exceed the standard size or weight thresholds as defined in the Rate Schedule may incur additional handling fees. Such fees will be billed to the Customer’s account at the time of receipt notification.

7.3 Perishable Items. The Company is not responsible for the spoilage, degradation, or loss of value of perishable items, including but not limited to food, flowers, live plants, medications requiring refrigeration, or other temperature-sensitive goods. Upon receipt of a package identified or suspected to contain perishables, the Company will immediately notify the Customer. The Customer must arrange for immediate pickup or provide forwarding instructions within twenty-four (24) hours of notification. The Company assumes no liability for perishable items not claimed within such period.

7.4 Unclaimed Packages. Packages not claimed, forwarded, or otherwise directed by the Customer within the applicable Hold Period will be subject to the following disposition process:

(a) The Company will make at least one (1) final notification attempt to the Customer via SMS and/or email prior to disposition;

(b) Following such notification, the Company may, at its sole discretion, return the package to the sender, donate the package to a charitable organization, or dispose of the package in an appropriate manner;

(c) The Company shall not be liable to the Customer for the value of any package disposed of in accordance with this Section after the Hold Period has expired and the Customer has been notified.

7.5 Carrier-Caused Damage. The Company is not liable for any damage to packages or their contents occurring during transit or at the time of delivery by any carrier. Customers who receive damaged packages should file a claim directly with the responsible carrier. The Company will cooperate reasonably with the Customer in providing documentation of receipt, as available.

SECTION 8 — MAIL FORWARDING

8.1 Forwarding Requests. Mail forwarding is available upon the Customer’s written request (including requests submitted through the Customer’s online account portal) and is subject to the availability of sufficient prepaid postage or a valid payment method on file to cover forwarding costs. The Company will not forward mail for which postage or payment has not been arranged.

8.2 Forwarding Schedule. The Customer may designate a forwarding schedule from the following options:

(a) Daily Forwarding: Mail is forwarded each business day;

(b) Weekly Forwarding: Mail is consolidated and forwarded once per week on a Customer-specified business day;

8.3 Forwarding Fees. Mail forwarding is subject to postage costs and applicable handling fees as set forth in the Rate Schedule. Fees are charged at the time of forwarding to the payment method on file.

8.4 Carrier Liability. The Company is not responsible for mail or packages that are lost, delayed, damaged, or misdirected by any carrier following the Company’s tender of such items to the carrier for forwarding. The Customer’s remedy for such loss or damage, if any, rests solely with the applicable carrier.

SECTION 9 — PROHIBITED USES

Notice — Prohibited Use Policy Violation of any prohibition listed in this Section may result in immediate termination of this Agreement and may be reported to applicable federal, state, or local law enforcement authorities.

9.1 Prohibited Items. The Customer shall not use the Mailbox Services to receive, store, or handle hazardous materials, controlled substances, illegal drugs or paraphernalia, explosives, biological agents, firearms or ammunition in violation of applicable law, or any other items prohibited under federal, state, or local law or USPS regulations.

9.2 Illegal Activity. The Customer shall not use the Company’s address or Mailbox Services for any purpose that violates applicable federal, state, or local law, including but not limited to mail fraud (18 U.S.C. § 1341), wire fraud, money laundering, or any scheme or artifice to defraud.

9.3 Deceptive Business Practices. The Customer shall not use the mailbox address in any manner designed or intended to deceive third parties about the physical location, nature, or legitimacy of the Customer’s business operations, including but not limited to misrepresenting the mailbox address as a primary commercial business location to customers, investors, lenders, or government agencies.

9.4 Consequences of Violation. In the event the Company discovers or reasonably suspects a violation of this Section 9, the Company may, without prior notice and at its sole discretion:

(a) Immediately suspend or terminate Mailbox Services;

(b) Refuse acceptance of further mail or packages;

(c) Report the suspected violation to the USPS Postal Inspection Service, law enforcement, or other applicable governmental authorities;

(d) Cooperate fully with any resulting governmental investigation.

Any fees paid by the Customer prior to termination under this Section are non-refundable.

SECTION 10 — TERM AND TERMINATION

10.1 Agreement Term. This Agreement commences on the date the Customer’s account is activated and continues for the subscription period selected by the Customer (month-to-month or annual), and thereafter on a rolling basis unless and until terminated in accordance with this Section.

10.2 Customer Cancellation. The Customer may cancel Mailbox Services by providing at least thirty (30) days’ prior written notice to the Company. Cancellation notice must be submitted in writing via email to the Company’s designated service address or in person at the Company’s premises. No refunds will be issued for any unused portion of a prepaid subscription period or partial billing month.

10.3 Termination by Company. The Company may terminate this Agreement and suspend Mailbox Services upon fifteen (15) days’ written notice to the Customer in the event of:

(a) Non-payment of fees following expiration of the grace period in Section 4.3;

(b) Breach by the Customer of any material provision of this Agreement;

In the case of violations under Section 9, the Company may terminate immediately without providing advance notice.

10.4 Customer Obligations Upon Termination. Upon the effective date of termination or cancellation, the Customer shall:

(a) Immediately update the Customer’s mailing address with all correspondents, creditors, government agencies, and other third parties;

(b) Cease using the Company’s address on any business cards, websites, advertisements, filings, or other materials;

10.5 Post-Termination Mail Handling. Mail and packages received at the Company’s address on the Customer’s behalf after the termination date will be accepted and held for a period of thirty (30) calendar days. Following such thirty-day period, all mail and packages will be returned to sender marked “Addressee Moved – Left No Address” or equivalent. The Company has no obligation to retain, forward, or store mail received after the termination date beyond this thirty-day window.

SECTION 11 — LIMITATION OF LIABILITY

11.1 Liability Cap. To the maximum extent permitted by applicable law, the Company’s total cumulative liability to the Customer for any and all claims arising out of or related to this Agreement or the Mailbox Services, whether in contract, tort (including negligence), strict liability, or otherwise, shall not exceed the total amount of fees actually paid by the Customer to the Company during the calendar month in which the claim first arises.

11.2 Exclusion of Consequential Damages. In no event shall the Company be liable for any indirect, incidental, special, consequential, exemplary, or punitive damages, including but not limited to loss of business, loss of profits, loss of data, or loss of goodwill, even if the Company has been advised of the possibility of such damages.

11.3 Mail and Package Loss. The Company shall not be liable for the loss, damage, theft, delay, or misdelivery of any mail item or package, whether occurring prior to, during, or after acceptance of such item by the Company on the Customer’s behalf. The Customer is encouraged to purchase appropriate insurance through the applicable carrier for items of significant value.

11.4 Unauthorized Third-Party Access. The Company shall not be liable for unauthorized access to the Customer’s mail or packages by any third party who presents identification consistent with an authorized user listed on the Customer’s Form 1583, provided the Company exercised reasonable care in verifying such identification. The Customer is solely responsible for ensuring the accuracy of their authorized user list at all times.

11.5 Force Majeure. The Company shall not be liable for any delay or failure in performance resulting from causes beyond its reasonable control, including but not limited to acts of God, natural disasters, fire, flood, labor disputes, acts of government, pandemic, or carrier failures.

SECTION 12 — INDEMNIFICATION

12.1 Customer’s Indemnification Obligation. The Customer shall defend, indemnify, and hold harmless the Company and its members, managers, officers, employees, agents, successors, and assigns from and against any and all claims, demands, suits, proceedings, losses, damages, liabilities, fines, penalties, costs, and expenses (including reasonable attorneys’ fees) arising out of or in connection with:

(a) The Customer’s use of the Mailbox Services;

(b) The Customer’s breach of any representation, warranty, or obligation under this Agreement;

(d) Any third-party claim relating to the Customer’s use of the mailbox address or the Mailbox Services.

12.2 Defense and Cooperation. In the event the Company seeks indemnification under Section 12.1, it shall promptly notify the Customer in writing of the relevant claim. The Company shall have the right, but not the obligation, to participate in the defense of any such claim at its own expense. The Customer shall not settle any claim that imposes any obligation, restriction, or liability on the Company without the Company’s prior written consent.

SECTION 13 — PRIVACY AND CONFIDENTIALITY

13.1 Customer Information. The Company will collect and maintain Customer information, including identification documents and Form 1583, as required by USPS regulations and applicable law. The Company will not sell or disclose Customer personal information to third parties except as required by law, compelled by judicial or governmental process, or as necessary to provide the Mailbox Services.

13.2 Mail Confidentiality. The Company acknowledges that the contents of the Customer’s mail are confidential. The Company’s employees and agents will not open, read, inspect, or otherwise examine the contents of Customer mail except: (a) as directed in writing by the Customer (e.g., content scanning under Section 3.8); (b) as required by court order or law enforcement authority; or (c) as reasonably necessary to identify a package presenting a safety risk.

SECTION 14 — GENERAL PROVISIONS

14.1 Governing Law. This Agreement shall be governed by, construed, and enforced in accordance with the laws of the State of Washington, without regard to its conflict of laws principles.

14.2 Dispute Resolution and Venue. Any dispute, controversy, or claim arising out of or relating to this Agreement, or the breach, termination, or validity thereof, shall be resolved exclusively in the state or federal courts of competent jurisdiction located in King County, Washington. Each Party irrevocably consents to personal jurisdiction and venue in such courts and waives any objection thereto.

14.3 Entire Agreement. This Agreement, together with the executed USPS Form 1583 and the current Rate Schedule, constitutes the entire agreement between the Parties with respect to the subject matter hereof and supersedes all prior or contemporaneous agreements, understandings, negotiations, representations, and warranties, whether oral or written, relating to such subject matter.

14.4 Amendments. This Agreement may not be amended, modified, or supplemented except by a written instrument signed by authorized representatives of both Parties. Notwithstanding the foregoing, the Company may update the Rate Schedule and business hours upon thirty (30) days’ written notice as provided in this Agreement.

14.5 Severability. If any provision of this Agreement is held to be invalid, illegal, or unenforceable under applicable law, such provision shall be deemed modified to the minimum extent necessary to make it enforceable, and the remaining provisions of this Agreement shall continue in full force and effect.

14.6 Waiver. No waiver by either Party of any breach or default under this Agreement shall constitute a waiver of any subsequent breach or default. No waiver shall be effective unless made in writing and signed by the waiving Party.

14.7 Notices. All notices required or permitted under this Agreement shall be in writing and shall be deemed delivered when: (a) delivered in person to the receiving Party; (b) sent by certified U.S. mail, return receipt requested, to the addresses on file; or (c) sent by email to the Customer’s registered email address or to the Company’s designated service email address, with confirmation of receipt.

14.8 Counterparts. This Agreement may be executed in one or more counterparts, each of which shall be deemed an original and all of which together shall constitute one and the same instrument. Electronic or digital signatures shall be deemed valid and binding to the same extent as original ink signatures.

14.9 Assignment. The Customer may not assign, transfer, or delegate this Agreement or any rights or obligations hereunder without the prior written consent of the Company. The Company may assign this Agreement in connection with a merger, acquisition, or sale of substantially all of its assets upon written notice to the Customer.

14.10 Headings. Section headings used in this Agreement are for reference and convenience only and shall not affect the interpretation or construction of this Agreement.

Acknowledgement of Terms By signing below, the Customer acknowledges that they have read, understood, and agree to be bound by all terms and conditions of this Mailbox Services Agreement. The Customer further acknowledges receipt of, and agreement to comply with, the USPS Form 1583 requirements attached as Exhibit A.

SIGNATURES

In witness whereof, the Parties have executed this Mailbox Services Agreement as of the date last signed below.

Customer Signature Printed Name Title / Business Name (if applicable) Date

Unlimited Packaging Service LLC Authorized Representative Signature Printed Name Title Date

Exhibit A

USPS FORM 1583

Application for Delivery of Mail Through Agent

Required — Federal Postal Regulation USPS Form 1583 is a federally required document mandated by the United States Postal Service for all Commercial Mail Receiving Agency (CMRA) customers. This form authorizes Unlimited Packaging Service LLC to receive mail and packages on your behalf.

Instructions for Completion:

Complete all sections of the official USPS Form 1583 obtained from the USPS or the Company.
Present two (2) valid forms of identification — at least one (1) must include a photograph (e.g., driver’s license, passport, or state-issued photo ID).
If registering a business mailbox, provide documentation of business formation (e.g., articles of organization, business license).
The completed and signed Form 1583 must be submitted to Unlimited Packaging Service LLC before mail service may begin.
A notarized Form 1583 may be required for certain customer categories in accordance with USPS regulations. Please confirm requirements with Company staff at time of registration.

Accepted Identification — Reference Table:

ID Category	Examples	Photo Required
Primary (Photo ID)	Driver’s license, state-issued ID card, U.S. passport or passport card, military ID, tribal ID	Yes
Secondary (Non-Photo)	Utility bill, bank or financial statement, lease or rental agreement, vehicle registration, voter registration card	No
Business Documentation	Articles of Incorporation/Organization, business license, IRS EIN letter, Washington State UBI registration	N/A

The official USPS Form 1583 will be provided by Unlimited Packaging Service LLC staff at the time of account registration. Do not submit photocopies of a previously completed Form 1583.

Unlimited Packaging Service LLC | Newcastle, WA | USPS Commercial Mail Receiving Agency

Mailbox Services Agreement | Effective Date: August 26, 2026

This document is a legally binding agreement. Please retain a signed copy for your records.