AR 640-30 governs policies and procedures for taking, selecting, submitting, and maintaining current Department of the Army official photographs.
View AR 640-30 on armypubs.army.mil
It covers DAPMIS, photograph frequency, exemptions, background and image-format standards, submission procedures, and official photograph maintenance. It also assigns duties for managing photographs, supporting photographic facilities, and maintaining records.
A new photograph is required when an award of the Army Commendation Medal or above, a new badge, or a unit award authorized for permanent wear has been awarded. (paragraph 4)
Commanders may not direct their entire unit to submit new photographs. (paragraph 4)
Ensure the photograph background is Savage #75, true blue. (paragraph 8)
Photographic facilities must use Army Gold Master compliant equipment and software. (paragraph 4)
Notify Soldiers 120 days in advance of their photo expiration. (paragraph 4)