City Charter

San Francisco City Charter
Section 4.127:

PATROL SPECIAL POLICE OFFICERS.

The Commission may appoint patrol special police officers and for cause may suspend or dismiss patrol special police officers after a hearing on charges duly filed with the Commission and after a fair and impartial trial. Patrol special police officers shall be regulated by the Police Commission, which may establish requirements for and procedures to govern the position, including the power of the Chief of Police to suspend a patrol special police officer pending a hearing on charges. Each patrol special police officer shall be at the time of appointment not less than 21 years of age and must possess such physical qualifications as may be required by the Commission.

Patrol special police officers may be designated by the Commission as the owners of a certain beat or territory which may be established or rescinded by the Commission. Patrol special police officers designated as the owners of a certain beat or territory or the legal heirs or representatives of the owners may dispose of their interest in the beat or territory to a person of good moral character, approved by the Police Commission and eligible for appointment as a patrol special police officer.

Commission designation of beats or territories shall not affect the ability of private security companies to provide on-site security services on the inside or at the entrance of any property located in the City and County.