D.C. Mun. Regs. tit. 6, r. 6-A1103
No person appointed as a special police officer under the provisions of D.C. Official Code § 4-114 (1981), shall display a badge, a weapon, or other evidence of authority in any other place than the property of, or under the charge of, the corporation or individual upon whose account he or she was appointed and by whom he or she is paid, or, in the case of a special police officer whose commission extends to more than one person's or corporation's property, in any other place than the area or locations defined in his or her commission.
Each person appointed as a special police officer under the provisions of D.C. Code § 4-114 (1981), shall carry a copy of his or her commission on his or her person when on duty, in uniform or armed.
Firearms or other dangerous weapons carried by a special police officer on the premises designated on his or her commission shall be left on the premises, when that special police officer is not actually on duty, unless no adequate provisions for storage can be made as certified by the Chief of Police and noted on the commission.
Firearms or other dangerous weapons carried by special police officers whose commissions extend to more than one person's or corporation's property, or more than one premises owned by one person or corporation, may be carried only when that special police officer is on actual duty in the area thereof or while traveling, without deviation, immediately before and immediately after the period of actual duty, between that area and the residence of that special police officer.
Nothing in this chapter contained shall prevent a special police officer appointed under the provisions of D.C. Official Code § 4-114 (1981), from exercising his or her authority as a special police officer outside of the property or area he or she is appointed to protect when in fresh pursuit of a felon or misdemeanant from or immediately adjacent to the property or area to protect which he or she is commissioned.
D.C. Mun. Regs. tit. 6, r. 6-A1103