scope:

Purpose. a. This regulation establishes policies and assigns responsibilities for the maintenance of Army materiel. It provides and defines requirements for performance and management of the materiel maintenance function. It concerns unit, direct support (DS), general support (GS), and depot levels of the Army maintenance system and Army-wide program and commodity-unique maintenance. This regulation also applies to maintenance of all materiel owned or supported by the U.S. Army, except the following:

(1) Materiel purchased with nonappropriated funds, special intelligence property administered per Army Regulation (AR) 381-143, real property, or foreign materiel used for training.

(2) Leased/rented materiel, unless the lease/rental agreement dictates otherwise.

(3) Those aspects of combat and materiel development that impact the materiel maintenance function.

(4) Materiel maintenance as implemented in the AR 12-series publications.

b. The provisions of this regulation are applicable to all Army-funded property under the direct control of the U.S. Army Corps of Engineers. Civil-funded property under the control of the U.S. Army Corps of Engineers is exempt from the provisions of this regulation; however, these provisions may be used when considered to be in the best interest of the Government.

Applicability. This regulation applies to the Active Army, the Army National Guard of the United States/Army National Guard, and the U.S. Army Reserve. This regulation is applicable during full mobilization.