Whenever the electors of a municipality adopt any of the optional plans provided by this subpart at any election for that purpose, the municipality shall be governed under the provisions of that plan, the provisions of law applicable to that class of municipality and this subpart from the first Monday in January following the municipal election occurring after the next succeeding primary election, except as provided in section 2924(c) (relating to specificity of recommendations).
53 Pa.C.S. § 3161