a. Creating or enlarging an all purpose regional district, or

b. The formation of a limited purpose regional district and thereafter has joined or shall join in the formation of another regional district for all other school purposes,

all existing districts forming such regional district or any existing district so united with such last named regional district shall be dissolved when the board of education of such regional district shall take charge and control of the educational facilities of the schools of such existing district or districts and thereafter each municipality included within such regional district shall become a constituent district of such regional district.

The board of education of each district to be dissolved shall continue in office with power to conduct the schools of the district until such date as the board of education of such regional district shall take charge and control of the educational facilities of the schools of such regional district, on which date their terms of office shall terminate.

No election shall be held for members of any district to be so dissolved in or after any year in which the members of the board of the regional district are elected.

L.1967, c.271.