AR 601-142 governs the Army Medical Department Professional Officer Filler System and the assignment, training, and qualification of Active Army AMEDD personnel.
View AR 601-142 on armypubs.army.mil
It covers PROFIS policy and procedures, including personnel selection, deployment readiness, training, and substitutability criteria. It requires qualified fillers, replacement of non-deployable fillers, and specified annual collective training.
The objective of the professional filler deployment system (PDS) is to resource MTOE units to their required level of organization with AMEDD personnel in accordance with Joint Staff validate, Secretary of Defense-approved contingency operations, or for the conduct of mission-essential training. (paragraph 1)
Replacements should be identified and loaded into MODS within 20 working days. (paragraph 4)
Ensure PROFIS fillers receive required collective annual training with any like MTOE or the gaining unit (no more than 15 days collective training per fiscal year). (paragraph 4)
With the exception of the Medical Service Corps, an officer up to two grades below or one grade above the required position grade is an authorized substitution. (paragraph 1)
HQ, MEDCOM approves all substitutes by another specialty for 61J General Surgeons even if the substitution is in accordance with table 1. (paragraph 3)