In this section the following words have the meanings indicated. “Permanent appointment” means the appointment of an individual who has satisfactorily met the minimum standards of the Commission and is certified as a police officer. “Police administrator” means a police officer who has been promoted to first–line administrative duties up to but not exceeding the rank of captain. “Police supervisor” means a police officer who has been promoted to first–line supervisory duties. An individual may not be given or accept a probationary appointment or permanent appointment as a police officer, police supervisor, or police administrator unless the individual satisfactorily meets the qualifications established by the Commission. An individual who applies for a position as police officer shall: under penalty of perjury, disclose to the hiring law enforcement agency all prior instances of employment as a police officer at other law enforcement agencies; and authorize the hiring law enforcement agency to obtain the police officer’s full personnel and disciplinary record from each law enforcement agency that previously employed the police officer. The hiring law enforcement agency shall certify to the Commission that the law enforcement agency has reviewed the applicant’s disciplinary record. A probationary appointment as a police officer, police supervisor, or police administrator may be made for a period not exceeding 1 year to enable the individual seeking permanent appointment to take a training course required by this subtitle. A probationary appointee is entitled to a leave of absence with pay during the period of the training program. Prior cannabis use may not be the basis for disqualifying an applicant for a position as a police officer.