Signing Authority and By Direction - S-1 Procedural Page

Role and responsibility

The commander delegates by direction signature authority in writing on DD Form 577 per SECNAV M-5216.5SECNAV M-5216.5 Chapter 8 (Signing and Authenticating). The S-1 chief holds the DD Form 577 signature card file and verifies the delegation scope before every routing through a by direction signer. The S-1 officer or adjutant signs by direction within the delegated scope. The senior officer of the unit signs "Acting" during the commander's official absence per Chapter 8. The legal advisor reviews delegations affecting sensitive subjects (legal action, personnel adverse action, fiscal authority).

Source documents flow from the commander's written by direction delegation on DD Form 577, the senior officer's "Acting" signature posture during commander absence, the routing requirement on each piece of outbound correspondence, the chop sheet documenting the signature authority verification, and the annual refresh of delegations. Signing authority outputs include the executed DD Form 577 on file, the signature card file retained for 10 years per MCO 5210.11FMCO 5210.11F, the by direction signature on routine correspondence, the personally signed correspondence on policy and adverse actions, the Acting signature during commander absence, and the audit trail for IGMC inspection.

Per SECNAV M-5216.5 Chapter 8, by direction signing requires written delegation captured on DD Form 577. The signer carries the "By direction" notation below the signature block. The delegation defines the subject scope, the grade floor, and any exclusions (adverse personnel action, policy-level correspondence). Per Chapter 8 acting rules, the senior officer succeeding to command signs "Acting" during the commander's official absence.

Trigger events

• New commander assumes command triggering DD Form 577 delegation cycle.
• New S-1 officer or adjutant triggers a new by direction delegation.
• Annual signature authority refresh.
• Commander absence triggers Acting signature posture.
• Outbound correspondence triggers signature authority verification.
• Adverse personnel action triggers commander-personal signature requirement.
• Policy-level correspondence triggers commander-personal signature requirement.
• IGMC inspection covers signature authority posture.

Processing workflow

1. Identify the correspondence subject. The subject and the action drive the required signing authority. Adverse action and policy correspondence require the commander's personal signature. Routine and procedural correspondence routes through by direction.

2. Confirm the by direction delegation. Per SECNAV M-5216.5SECNAV M-5216.5 Chapter 8, the by direction delegation captures in writing on DD Form 577.

3. Pull the DD Form 577. The S-1 chief holds the signature card file. The card identifies the delegated subject scope, the grade floor, and any exclusions.

4. Verify the delegation scope. The action officer or the S-1 chief verifies the delegation matches the correspondence subject. Mismatched delegation routes to a different signer or to the commander personally.

5. Apply the proper signature block. Per Chapter 8, the by direction signer's block reads:

   J. Q. ACTION By direction

   The personally signed correspondence carries the commander's full block:

   J. R. COMMANDER Lieutenant Colonel, U.S. Marine Corps Commanding

6. Apply Acting signature rules. Per Chapter 8, during the commander's official absence, the senior officer succeeding to command signs "Acting" below the signature block. The Acting designation reflects temporary succession.

7. Document signature authority on the chop sheet. The action officer captures the by direction delegation reference on the chop sheet.

8. Refresh DD Form 577 delegations. Per Chapter 8, refresh annually or on change of command. The new commander reviews delegations and re-signs DD Form 577.

9. Retain DD Form 577 file. Per MCO 5210.11FMCO 5210.11F and SECNAV M 5210.1, retain the signature card file for 10 years.

10. Audit signature authority posture. Per the unit annual cycle and the IGMC inspection, audit the DD Form 577 file against the current signers.

Systems of record and forms

Systems

• DD Form 577 Signature Card File. Holds the by direction delegations.
• Unit Records System. Retains DD Form 577 per SECNAV M 5210.1.
• Acting Designation File. Holds the senior officer succession record.
• Correspondence Register. Tracks signature authority on every action.

Forms

• DD Form 577 Appointment / Termination Record. Per Chapter 8.
• Chop Sheet. Documents the signature authority verification on each correspondence.
• Annual Signature Authority Audit Memorandum. Local format documenting the annual review.

Common pitfalls

• By direction signature without DD Form 577 on file. Per SECNAV M-5216.5SECNAV M-5216.5 Chapter 8, the by direction signature requires written delegation. Without DD Form 577, the signature voids.
• By direction signature on adverse personnel action. Per Chapter 8 and unit policy, adverse action requires commander-personal signature.
• Delegation scope exceeded. The signer applies the by direction notation outside the delegated subject scope.
• DD Form 577 not refreshed on change of command. Per Chapter 8, the new commander reviews and re-signs.
• Acting signature applied without senior officer succession. Per Chapter 8, the Acting designation flows from official succession to command.
• DD Form 577 retention floor missed. Per MCO 5210.11F, the retention is 10 years.
• Signature block format wrong. Per Chapter 8, the by direction signer's block format and the personally signed block format differ.
• Annual signature authority audit skipped. The IGMC inspection surfaces stale delegations.

Decision points

• By direction versus commander-personal signature. Per Chapter 8 and unit policy, adverse action, policy-level correspondence, and sensitive subjects route to commander-personal signature. Routine and procedural correspondence routes through by direction.
• Acting versus by direction. Per Chapter 8, Acting reflects official succession during commander absence. By direction reflects written delegation by the commander.
• Delegation scope. The commander sets the scope (subject area, grade floor, exclusions). The S-1 officer recommends scope based on operational tempo and risk.
• Refresh cadence. Per Chapter 8, annual refresh and change-of-command refresh apply.

Authority

This sub-page sits under SECNAV M-5216.5SECNAV M-5216.5 Chapter 8 (Signing and Authenticating). MCO 5216.20BMCO 5216.20 applies Marine Corps-specific signature delegations. MCO 5210.11FMCO 5210.11F covers DD Form 577 retention. SECNAV M 5210.1 sets the records retention schedule. MCO P1070.12KMCO P1070.12K Chapter 6 covers OMPF documentation. The processing workflow maps to NAVMC 3500.3E T-R event 0102-GENA-1002.

Related references

• SECNAV M-5216.5 Chapter 8. Signing and Authenticating.
• MCO 5216.20B. Marine Corps supplement.
• MCO 5210.11F. DD Form 577 retention.
• SECNAV M 5210.1. Records retention.
• NAVMC 3500.3E. T-R event 0102-GENA-1002.