How to become a CMRA (Commercial Mail Receiving Agency)

A Commercial Mail Receiving Agency is a private business that accepts delivery of mail addressed to its customers, holds it, and hands it over, forwards it, or scans it on request. Pack-and-ship stores, independent mailbox stores, coworking spaces, and business centers all become CMRAs the moment they rent a private mailbox to someone else.

It helps to be clear about what a CMRA is not, because customers and sometimes postmasters mix these up.

• Not a PO Box. A PO Box is rented from USPS at a Post Office. A CMRA box is rented from you at your street address, and it can receive carrier deliveries as well as USPS mail.
• Not a registered agent. A registered agent accepts legal service of process for a company under state law. Some CMRAs also offer registered agent service, but the USPS rules do not cover it and a PMB alone does not make you one.
• Not a freight forwarder. Freight forwarders move commercial cargo under transport regulations. A CMRA receives mail and parcels for named individuals and businesses, and remails them under postal rules.

The rules that govern a CMRA live in DMM 508.1.8, with the CRD and record-keeping requirements in DMM 608.10.0. Everything on this page traces back to those two sections.

PS Form 1583-A is the application for delivery of mail through an agent. It is the CMRA's own registration, distinct from the Form 1583 each of your customers signs. You complete it once, and again whenever the facts on it change.

• The business name, its physical address, and the name of the owner or officer signing.
• The people authorized to accept mail on behalf of the business, so the carrier knows who may sign for it.
• The delivery address where mail for your customers will be received. This must be a commercial location you occupy and staff.
• An acknowledgment of the CMRA's duties: a Form 1583 for every addressee, records available to USPS on request, quarterly certification, and mail handling after termination.

File the form with the postmaster of the Post Office that delivers to your address. Bring your business registration and be ready to show the premises. USPS does not charge a registration fee; the cost is your time and the location itself.

The postmaster is not looking for reasons to say no. They are looking for a business that will still be there next year and will keep the records USPS relies on. Expect them to check the following.

• The address is a commercial premises that you occupy, with staff present during business hours. Not a residence, not a PO Box, not a shared address you sublet by the hour.
• The business is registered with the state and the person signing is authorized to act for it.
• You have a place to keep Form 1583 records and a way to produce them on request.
• You understand the addressing rule: PMB or # followed by the box number, never Suite or Unit.
• You know the quarterly certification dates and the 6-month duties after a customer terminates.

If you can answer those five points on the spot, the conversation is short. If you cannot, the application waits until you can.

Registration is the easy part. These duties are what a CMRA actually does, and they are what the quarterly certification asks you to confirm.

• One Form 1583 per addressee. Every adult who receives mail at a box signs their own form. Minors are listed on a parent's or guardian's form. A business account with several named individuals means a form for each of them.
• Two IDs per person. One primary photo ID (driver's license or state ID, passport, permanent resident card, military ID, tribal ID, Matricula Consular, NEXUS, and similar) plus one secondary traceable ID (another primary ID, lease, mortgage or deed of trust, voter or vehicle registration, insurance policy, or Form I-94). Social Security cards, birth certificates, and credit or debit cards are not acceptable. IDs must be current.
• Execution. The form may be signed in your physical presence, in your real-time audio and video presence, or acknowledged before a notary, including a remote online notary.
• CRD entry. Enter each Form 1583 in the Customer Registration Database and upload legible copies of both IDs. A digital copy of the 1583 at your location is enough; ID images need not be kept locally once uploaded.
• Quarterly certification. On January 15, April 15, July 15, and October 15, certify that every 1583 is current, every termination date is recorded, and no ID on file has expired.
• Addressing. Customer mail is addressed as PMB 123 or #123. Never Suite or Unit for a private mailbox.
• Termination. Record the termination date on the 1583 and in the CRD as soon as practical, keep the 1583 for at least 6 months after termination, and remail the former customer's mail with new postage for at least 6 months.

A non-compliant CMRA can be suspended, and failure to cure within 30 days can end its authorization. Most of these duties are calendar items. The software you run should track ID expiration dates, termination dates, and the certification schedule so you never discover a gap in the week before a deadline.

The Customer Registration Database is where USPS keeps the Form 1583 and ID records for every CMRA customer in the country. The rules took effect July 9, 2023, and the CRD launched October 25, 2023. Access is granted through the USPS Business Customer Gateway once your 1583-A is on file.

Create a Business Customer Gateway account for the business if you do not have one, request the CRD service for your location, and wait for approval. Once you are in, each customer becomes a record: the completed 1583, both ID images, and later the termination date.

There is no USPS API for the CRD, so entries are made by a person in the Gateway. Innbocks keeps a Prepare for CRD readiness ledger that gathers each customer's form and IDs into the shape the CRD expects, and offers a managed CRD Service where the Innbocks team completes the uploads and quarterly certification on your behalf.

The DMM sets the federal floor. On top of it, your state's business licensing rules apply to you the way they apply to any retail service business, and local zoning decides whether your premises may operate as a mail receiving location at all. Some states also regulate notary practice in ways that affect which remote online notarization options your customers can use.

Check three things before you file: that your state business registration is current, that your zoning permits the use, and that any local business license lists mail receiving or mailbox rental as a service.

Postmasters see the same three problems again and again. All of them are fixable before you walk in.

• An incomplete 1583-A. Missing authorized employees, an unsigned acknowledgment, or a business name that does not match the state registration. Fill every field and match every name exactly.
• An address that is not a real commercial location. A home office, a PO Box, a virtual office you do not staff, or a unit you have leased but not moved into. The postmaster may visit, so the premises should look like a business that receives mail.
• Missing business registration. No state filing, an expired one, or a registration in a different name from the one on the form. Bring the certificate.

If your application is waiting, ask the postmaster which of the three it is. The answer is usually one visit away from being resolved.