This regulation covers military entrance processing station operational policies, programs, and procedures. It implements DOD Directive 1145.2 governing personnel enlisting in the military and the processing of Selective Service registrants. This regulation applies to the active Army, the Army National Guard/Army National Guard of the United States, the U.S. Army Reserve, the Navy, the Air Force, the Marine Corps, and the Coast Guard, unless otherwise stated. This regulation applies to all personnel who operate unit mail rooms at company and battalion levels. During mobilization, procedures in this publication can be modified to support policy changes as necessary. The proponent of this regulation is the Deputy Chief of Staff, G-1. The proponent has the authority to approve exceptions or waivers to this regulation that are consistent with controlling law and regulations. The proponent may delegate this approval authority, in writing, to a division chief with the proponent agency or its direct reporting unit or field operating agency, in the grade of colonel or the civilian equivalent. Activities may request a waiver to this regulation by providing justification that includes a full analysis of the expected benefits and must include formal review by the activity's senior legal officer. All waiver requests will be endorsed by the commander or senior leader of the requesting activity and for- warded through their higher headquarters to the policy proponent. Refer to AR 25-30 for specific guidance. This regulation contains management control provisions according to AR 11-2 and contains a checklist for conducting management control reviews (see appendix F).