(a) Except for a disability annuitant, a police officer retired from the Metropolitan Police Department shall be eligible for rehire at the discretion of the Chief of the Metropolitan Police Department as a fully sworn temporary full-time or temporary part-time police officer without jeopardy to the retirement benefits of the police officer. (b) A retired police officer who is rehired under this section shall be vested with full police powers, including, but not limited to, the authority to carry a firearm. (c) Service under this section shall not count as creditable service for the purposes of § 5-704. (d) A retired police officer who is rehired under this section shall be paid a salary of no more than that equal to the salary paid a Class 1, Step 5 Officer and shall not be eligible for longevity pay. (e) Notwithstanding subsection (d) of this section, a rehired annuitant shall not be required to refund any salary paid prior to January 5, 1993. (f) No retired police officer who is rehired under this section shall be detailed to any agency of the District of Columbia government other than the Metropolitan Police Department. (g) The provisions of this section shall apply to any police officer hired after September 29, 1992.