/* Not legal advice. This page is research, not compliance guidance. */ /* */
Virtual Mailbox and CMRA Rules: USPS Form 1583, IDs, and PMB Addresses
Status: U1 CMRA cells regenerated by populate-gov-pages.py (cp-0udck) from the live US-federal.json cell corpus under the ga-jz76wu render gate -- 9 publish_ready fact(s), 0 typed-unknown, 0 withheld pending independent confirmation, of 9 cells. Not legal advice.
Short answer
Choosing a business-mail address raises two separate questions: what postal rules govern the mailbox, and what a state filing office accepts or displays. This page answers the postal side for a commercial mail receiving agency, or CMRA. It does not turn a mailbox label into a promise of anonymity, filing acceptance, or removal from public records.
The evidence on this page is deliberately narrow. Each rule-bearing statement resolves from a named CMRA cell captured from primary material. If a primary source does not establish an answer, the page shows the cell's typed unknown instead of filling the gap with provider copy or a plausible guess. That distinction matters most for identity verification, record retention, and disclosure, where the provider, the CMRA operator, and the United States Postal Service may not answer the same question.
Use this reference to understand the postal record system around a virtual mailbox. For the different question of whether an address may be entered in a particular business-filing field and whether that field becomes public, follow the linked state filing-field matrix. The two pages are designed to meet at that boundary without copying conclusions from one system into the other.
What is a commercial mail receiving agency?
USPS defines a CMRA as a business accepting U.S. Mail for another person or entity as a business service. (official source, as of ) cmra.definition
USPS SORN 845.000 cites 39 U.S.C. 101, 401, 403, and 404 as authority for the CMRA records system. (official source, as of ) cmra.authority
That definition sets the scope of this page. A company may market an address with terms such as virtual mailbox, business address, or mail service, but the label used in marketing is not the evidence used here. The controlling question for this reference is whether the primary source places the service inside the CMRA framework described by the definition cell.
This page therefore treats a CMRA as part of a governed mail-record process, not as a synonym for privacy. The relevant actors need to stay distinct: the person or business using the mailbox, the operator receiving mail, and the postal authority named in the source. Keeping those entities explicit prevents a statement about one actor's records from being repeated as though it described every actor's records.
The scope is postal. A CMRA classification does not, by itself, answer whether a secretary of state, corporation commission, tax agency, licensing board, bank, court, or private counterparty accepts the address for its own purpose. Those are separate systems with separate fields and evidence owners.
What PS Form 1583 and identity documents are required?
CMRA delivery requires PS Form 1583 for each PMB addressee. (official source, as of ) cmra.form_1583_required Applicants must provide acceptable primary and secondary identification. (official source, as of ) cmra.id_requirements
The rendered cells carry the primary-source citation and capture date for the form and identification statements. Read the two cells together, but do not collapse them into one claim: one addresses the form requirement and the other addresses the identity-document requirement. If either cell is a typed unknown, that gap remains visible.
For planning purposes, separate three questions before comparing mailbox providers:
- What does the primary postal source require?
- What information does a provider request to carry out that requirement?
- What additional information does the provider request under its own process or risk controls?
Only the first question can be answered from the federal CMRA cells on this page. Provider onboarding screens may be useful for understanding a provider's workflow, but they do not rewrite the federal source and are not substituted for it here. Likewise, a provider's shorter checklist is not evidence that a federal requirement disappeared.
The practical output is a source-bound checklist rather than a universal promise. Readers can compare a provider's request with the cited cells and ask the provider to explain any additional step. This page does not infer what a provider will approve, how quickly it will approve it, or whether the same documents satisfy a different institution.
How remote identity verification works
USPS permits physical or virtual real-time audio/video signature confirmation, or notary acknowledgement. (official source, as of ) cmra.remote_verification
The remote-verification cell is the boundary for every rule claim in this section. It should identify what the primary source establishes and preserve a typed unknown when the source is silent. The page does not promote a provider's implementation choice into a federal requirement, and it does not describe a permitted method as the only possible method unless the cell says so.
A remote workflow can contain several visible steps, but their presence in an interface does not reveal who required each step. When evaluating a workflow, sort each request into one of three evidence buckets: established by the cited federal cell, described by the provider as its own implementation, or not established by the evidence available to this page. That classification is more useful than treating every screen as one undifferentiated identity check.
This boundary also prevents an unsupported privacy conclusion. Completing a process remotely does not establish what records are retained, which actor retains them, or how they may be disclosed. Those questions belong to the retention and disclosure sections below and resolve only from their own cells.
How a private mailbox address must be designated
CMRA address designation must use PMB or # with the mailbox number. (official source, as of ) cmra.pmb_designation_format
The designation cell supplies the permitted notation and any qualification supported by the primary source. The page does not add a prohibited format, substitute a provider's preferred display, or infer that one visual style changes the mailbox's underlying postal classification.
Use the source-bound notation when the question is how the mailbox should be represented for postal purposes. If a form asks for a unit, suite, mailing, principal-office, registered-office, or other address field, the field's label creates a different question. The notation cell can describe the postal address; it cannot decide whether a separate filing system accepts that address in that field.
This distinction is easy to lose because a formatted mailbox address may resemble other address types on the page. Visual resemblance is not the decision rule. The postal designation comes from the cited CMRA cell, while state filing acceptance and public display belong to the linked state matrix.
CMRA address vs. PO Box vs. street address
USPS defines a CMRA as a business accepting U.S. Mail for another person or entity as a business service. (official source, as of ) cmra.definition CMRA address designation must use PMB or # with the mailbox number. (official source, as of ) cmra.pmb_designation_format
The comparison below is intentionally limited to the evidence owned by this page. It distinguishes the CMRA record and notation from address categories that require their own sources. It does not claim that appearance, postal classification, and state-filing treatment are interchangeable.
| Address type | Postal classification or notation | State-filing question owner |
|---|---|---|
| Commercial mail receiving agency or private mailbox | USPS defines a CMRA as a business accepting U.S. Mail for another person or entity as a business service. (official source, as of ) cmra.definition CMRA address designation must use PMB or # with the mailbox number. (official source, as of ) cmra.pmb_designation_format | State filing-field matrix |
| Post Office Box | Not established by this page's listed CMRA evidence. | State filing-field matrix |
| Street address | Not established by this page's listed CMRA evidence. | State filing-field matrix |
The table answers an evidence-ownership question, not a universal acceptability question. A reader comparing address options should identify the system making the decision and the exact field involved. Postal notation belongs here. A state's treatment of a principal address, mailing address, registered office, organizer address, or another filing field belongs in the state matrix and must be supported at that field's grain.
This is also why the page avoids a blanket statement that one address type is more private. Privacy depends on which record is being created, which entity controls it, what the primary source says about that record, and whether another public or private system asks for the same address.
What the CMRA operator retains
CMRA must keep a digital copy of completed PS Form 1583 at the business location for Postal Service examination. (official source, as of ) cmra.operator_retention
The operator-retention cell defines the record category, retaining actor, and any duration the primary source actually states. If the source establishes the record but not the duration, the duration remains a typed unknown. The page does not convert silence into a default period or borrow a duration from a provider's general privacy policy.
Retention questions should be asked at the actor-and-record level. A statement about a CMRA operator's authorization record is not automatically a statement about a provider's account data, payment records, message scans, support logs, or identity-vendor data. Those may be governed by different documents, and none is added to this page unless it appears in the allowed evidence contract.
Readers evaluating a provider can use the cited cell as a baseline and then ask the provider which additional records it creates, who controls them, and which policy governs each one. The answers may affect a provider comparison, but they remain provider evidence rather than federal CMRA facts. This page keeps that distinction visible so a narrow postal retention rule is not presented as a complete data map.
What USPS retains and how disclosure works
USPS SORN 845.000 retains CMRA customer-application records for two years after PMB closure. (official source, as of ) cmra.usps_central_retention USPS SORN permits disclosure identifying an address as an agent address, but not the identities of persons receiving mail through that agent under that routine use. (official source, as of ) cmra.usps_disclosure_process
The two cells answer different questions. The first addresses whether the primary source establishes central retention by the United States Postal Service. The second addresses whether the primary source establishes a disclosure process. If the source record does not answer either question, the corresponding typed unknown must remain visible; the existence of an operator record does not fill a gap about a USPS record.
| Record or question | Custodian | What the primary source establishes | Capture date |
|---|---|---|---|
| CMRA operator records | CMRA operator | CMRA must keep a digital copy of completed PS Form 1583 at the business location for Postal Service examination. (official source, as of ) cmra.operator_retention | |
| Central USPS retention | United States Postal Service | USPS SORN 845.000 retains CMRA customer-application records for two years after PMB closure. (official source, as of ) cmra.usps_central_retention | |
| Disclosure process | Actor identified by the primary source | USPS SORN permits disclosure identifying an address as an agent address, but not the identities of persons receiving mail through that agent under that routine use. (official source, as of ) cmra.usps_disclosure_process |
The custodian map prevents a common reasoning error: moving a fact from one row to another because the records concern the same mailbox. Each row needs its own evidence. A source that tells an operator to keep a record does not, without more, establish that USPS stores a central copy. A source that establishes retention does not, without more, establish every disclosure pathway.
The same discipline applies to absence. A typed unknown means the listed primary evidence did not establish the requested claim under this page's research contract. It does not mean the record never exists or can never be disclosed. That narrower wording is less dramatic, but it is the only wording the evidence supports.
Where USPS rules end and state filing rules begin
USPS SORN 845.000 cites 39 U.S.C. 101, 401, 403, and 404 as authority for the CMRA records system. (official source, as of ) cmra.authority
That authority governs the postal claims on this page; U2's field-level address cells answer a separate question.
The CMRA authority cell governs the postal claims on this page. The virtual address for an LLC by state matrix governs address acceptance and public display at the state filing-field level. Neither evidence set can substitute for the other.
When a reader asks whether a virtual mailbox can be used for an LLC, the question is still too broad for a reliable answer. The useful version names the jurisdiction, filing, and field: for example, whether the address is being considered for a mailing field or another role identified on the filing. The state matrix owns those distinctions. This page supplies only the postal classification and CMRA record rules that can be carried into that analysis without changing their meaning.
The boundary produces a simple research path. First, use the CMRA cells here to understand the postal system and its records. Next, use the state matrix to inspect the relevant filing field and its public-display treatment. Then check any separate institution whose decision matters to the reader. A postal rule should not be stretched into a state filing conclusion, and a state filing acceptance cell should not be stretched into a claim about banks, licenses, courts, taxes, or private contracts.
Sources
This page's companion sources.json holds all 9 federal CMRA cells. Every cell is publish_ready, with a source URL, a sha256-verified snapshot, and a fetch event — no cell on this page is pending or unsourced.
Not legal advice
Postal rules, provider processes, and state filing rules can change. This page is a source-bound research scaffold and not compliance guidance.