(a) Within CONUS.

1. (1) Commanders may request authority from Headquarters, Marine Corps (Code POS), to establish off-installation operations—

   1. (i) To assist Federal, State, and local law enforcement agencies within the limits imposed by higher authority and the Posse Comitatus Act (18 U.S.C. 1385).
   2. (ii) In conjunction with military operations.
   3. (iii) To safeguard the health, and welfare of Marines.
   4. (iv) When the type of offenses or the number of service members frequenting an area is large enough to warrant such operations.
2. (2) Constraints on the authority of military personnel to act off-installation (Posse Comitatus Act (18 U.S.C. 1385)) and the specific scope of the authority will be clearly delineated in all authorizations for off-installation operations.

(d) Marines selected for off-installation operations must—

1. (1) Have mature judgment and law enforcement experience.
2. (2) Be thoroughly familiar with all applicable agreements and implementing standard operating procedures, to include the constraints of the Posse Comitatus Act (18 U.S.C. 1385), in CONUS and United States-host nation agreements in OCONUS areas, as applicable.