Follow the steps to complete the NGB Form 3621 online.

1. Press the ‘Get Form’ button to access the form and launch it in the designated editor.
2. Begin by reviewing the Privacy Act Statement provided at the top of the form, which outlines the authority and purpose for collecting your information.
3. In the initial certification section, indicate your eligibility for enlistment, reenlistment, or extension by circling the appropriate option.
4. Carefully read through the questions listed in sections I, II, and III, marking 'YES', 'NO', or 'N/A' in the corresponding boxes as applicable. Ensure you provide explanations for any 'YES' responses in the comments section.
5. Fill out the comments section, if necessary, providing detailed explanations for any affirmative responses to ensure clarity.
6. In the signature area, place your initials to certify that the information you provided is true and accurate. Enter the current date, your full name, and provide your signature.
7. If a witness is required, have them sign the form and include their printed name and the date of witnessing the signature.
8. If applicable, complete the recertification section, affirming that there have been no changes to your status since the information was initially provided. This section must include your initials, printed name, signature, and that of a witness.
9. After completing all sections of the form, review the information for accuracy and completeness before saving your changes, and choose to download, print, or share the completed form as required.

Complete your NGB Form 3621 online today to ensure a smooth application process.