DAFPD90-12 governs protocol, decorum, and customs and courtesies for Department of the Air Force official functions.
View DAFPD90-12 on armypubs.army.mil
It addresses etiquette, manners, military life, official relationships, ceremonies, honors, distinguished visitors, and official-function planning. It requires compliance with specified funding authorities and assigns protocol responsibilities to senior Air Force officials and commanders.
Protocol encompasses the customs and courtesies, etiquette, and manners of daily military life, preservation of diplomatic and other official relationships, and celebratory ceremonies. (paragraph 1)
Give appropriate honors and courtesies with due respect to position, title, and rank/grade precedence for all official functions. (paragraph 2)
Plan and execute official functions and the hosting of distinguished visitors in a manner that reflects the professionalism of DAF members and honors the customs, courtesies, and traditions of the U.S. Air Force, U.S. Space Force, and other (including foreign) Military Services. (paragraph 2)
The SecAF further assigns responsibility and delegates authority to Commanders, including but not lower than, installation, delta, post, and station commanders, to display the national flag at half-staff at designated buildings or grounds under their jurisdiction for occasions they consider proper and appropriate. (paragraph 3)
The SAF/DS advocates for resources, develops policy, and provides guidance, direction, and oversight of the DAF protocol program. (paragraph 3)