Section 99B. The purpose of this and the nine following sections, which shall be designated and may be known as ''The regional police district law'', is to permit two or more contiguous towns to establish a regional police district and organize a common police department to serve and protect the inhabitants of said towns.
Sections ninety-nine B to ninety-nine K, inclusive, shall not apply to any town in which the provisions of chapter thirty-one are in effect with respect to the members of the police force or the chief of police.