Maryland State Personnel and Pensions Section 31-203
§ 31-203.
  (a)   If at least 60% of the law enforcement officers of an eligible governmental unit who are members of a local pension system petition to become members of the Local Fire and Police System on or before December 31, 2004, the legislative body of the eligible governmental unit may approve the participation of these law enforcement officers in the Local Fire and Police System as though the local pension system were not in operation.
  (b)   If at least 60% of the firefighters of an eligible governmental unit who are members of a local pension system petition to become members of the Local Fire and Police System on or before December 31, 2004, the legislative body of the eligible governmental unit may approve the participation of these firefighters in the Local Fire and Police System as though the local pension system were not in operation.