AF Form 4229: Official Envelope – Asst Secretary of the Air Force

AF Form 4229: Official Envelope – Asst Secretary of the Air Force – If you’re an Air Force member, civilian employee, or contractor working with the Office of the Secretary of the Air Force (SAF), you may need AF Form 4229, officially titled the Envelope – Asst Secretary of the Air Force. This specialized envelope is used for official correspondence directed to or from the Assistant Secretary of the Air Force and associated offices.

What Is AF Form 4229?

AF Form 4229 is a pre-formatted envelope designed specifically for mailing or routing sensitive or official documents to the Assistant Secretary of the Air Force (ASAF). It ensures proper addressing, security markings (when required), and routing within the Department of the Air Force (DAF) and Headquarters Air Force channels.

Unlike standard mailing envelopes, this form provides a standardized format that aligns with Air Force correspondence policies. It helps maintain professionalism, traceability, and compliance when communicating with senior Secretariat-level offices.

Purpose and Common Uses

  • Routing official letters, memorandums, reports, or packages to the Assistant Secretary of the Air Force or subordinate SAF offices.
  • Ensuring consistent addressing for high-level correspondence.
  • Supporting internal Air Force distribution systems, especially for matters involving policy, acquisition, financial management, manpower, or other Secretariat responsibilities.
  • Maintaining chain-of-command protocols in formal communications.

This envelope is part of the broader Air Force forms and publications ecosystem managed through the Department of the Air Force e-Publishing program.

How to Download AF Form 4229?

You can download the official versions directly from trusted Air Force sources:

Important: Always obtain forms from the official Air Force e-Publishing website (e-publishing.af.mil) to ensure you have the most current revision. Using outdated or unofficial versions can cause processing delays or non-compliance issues.

Tip for U.S.-based users: Access these links from a .mil network or CAC-enabled device when possible for the best experience and security.

How to Use AF Form 4229?

  1. Download and print the PDF on standard envelope stock or appropriate paper size if printing custom.
  2. Fill in the required fields:
    • Complete “To” and “From” addresses clearly.
    • Include any necessary attention lines (ATTN: Office Symbol).
    • Add security classifications or handling instructions if the contents are sensitive.
  3. Insert your correspondence inside the envelope.
  4. Seal and route through official mail channels or internal distribution.

Follow guidelines in DAFI 33-360 (Publications and Forms Management) and related correspondence instructions for proper preparation of materials going into the envelope. Always double-check office symbols and mailing addresses against current directories.

Key Tips for Air Force Personnel

  • Verify the latest version on e-publishing.af.mil before use — forms can be updated periodically.
  • For digital workflows, some offices may prefer electronic routing via secure systems rather than physical envelopes.
  • Combine with other standard forms (such as AF Form 673 for publication actions or routing slips) when submitting packages to SAF-level offices.
  • If you’re unsure about addressing, consult your unit’s Publications and Forms Manager (PM/FM) or the Administrative Assistant to the Secretary of the Air Force (SAF/AA) guidance.
  • Air Force e-Publishing Homepage: https://www.e-publishing.af.mil/
  • Publications and Forms Index: Search for “4229” or browse departmental forms.
  • DAFI 90-160 or DAFI 33-360 for forms management policies.

Note: AF Form 4229 is a specialized tool for official use. Unauthorized or personal use is not permitted.

Why Proper Use Matters?

Using the correct envelope and following DAF standards helps ensure your correspondence reaches the right office quickly and securely. This is especially important for time-sensitive matters involving the Assistant Secretary of the Air Force, who oversees critical areas such as financial management, acquisition, installations, and more.

For the most accurate and up-to-date instructions, always refer to official Department of the Air Force sources. If your unit has specific local supplements, check with your chain of command or forms manager.

Download your copy today and ensure your official communications to the Assistant Secretary of the Air Force are properly formatted and professional.

This guide is for informational purposes and is based on publicly available Air Force e-Publishing resources as of 2026. Policies and form revisions can change; verify directly on e-publishing.af.mil.