The governing body of Montgomery county is hereby authorized to establish and maintain fire fighting districts within Montgomery county. Said governing body is further authorized to enter into agreements with volunteer fire departments within such county for fire protection and services. Provided further, said governing body is hereby empowered to set fees for fire protection and to prescribe the manner of collection and distribution of such fees. The fire fighting districts herein authorized shall not include any corporate municipality of Montgomery county unless such municipality requests through resolution of its governing body to be included in such fire fighting program. Any act heretofore enacted regarding said Montgomery county fire fighting districts is hereby ratified and confirmed.