D.C. Mun. Regs. tit. 6, r. 6-A1207
Unless, for good cause shown, the wearing of a uniform is specifically waived upon the face of the commission by the Chief of Police, campus and university special police officers, while on duty, shall wear distinctive uniforms. A director of chief of a campus or university special police officer department shall have the authority to temporarily waived the uniform requirement for an employee of their department for a period not to exceed forty-eight (48) hours upon verbal approval by the Chief of Police and written authorization transmitted by facsimile.
On each uniform for campus and university special police officers, there shall be sewn on the left sleeve of the uniform blouse, coat, or shirt (if worn without blouse) a distinctive shoulder patch, the top of which is to be two (2) inches below the shoulder.
The distinctive shoulder patch required pursuant to § 1207.2 shall conform to the following requirements:
Campus and university special police officers employed by the government of the District of Columbia shall wear a four (4) inch half-circle patch, carrying thereon in one (1) semicircular line the words "SPECIAL POLICE", "CAMPUS SPECIAL POLICE", or "UNIVERSITY SPECIAL POLICE" in letters not less than three eighths (3/8) inch high at that top of the half-circle.
Uniforms of campus and university special police officers shall be furnished with nickel-plated or comparable buttons. The use of brass or yellow button is prohibited, except that sergeants, lieutenants, and captains may wear gold buttons.
Nickel-plated or comparable button on the front of the uniform or blouse or coat shall be at least seven-eighths (7/8) inch in diameter and buttons used elsewhere on the uniform shall be at least five-eighths (5/8) inch in diameter. The buttons may bear on their face the letters "CP" or the letter "P".
D.C. Mun. Regs. tit. 6, r. 6-A1207