(1) With respect to the employees of any municipality, the Governor shall authorize a referendum upon request of the legislative body of such municipality and shall designate the commission to supervise the conduct of such referendum, in accordance with the requirements of Section 218(d)(3) of the Social Security Act, on the question of whether service in positions covered by a retirement system established by the state or by a municipality should be excluded from or included under an agreement under sections 7-452 to 7-455, inclusive; but no such referendum shall be held with respect to services the exclusion of which is required by subdivision (2) of § 7-454. Pursuant to Section 218(d)(6) of the Social Security Act, each retirement system covering positions of employees of more than one municipality shall, for the purposes of sections 7-452 to 7-455, inclusive, be deemed to constitute a separate retirement system with respect to each municipality having positions covered thereby.

(2) The legislative body of any municipality which has a retirement system, whether the system was established by special act or otherwise, may subdivide the system into two parts, each of which parts shall be deemed to constitute a separate retirement system; one part, which shall be known as Part A, shall be composed of positions of members of such system who have not expressed a desire for social security coverage, and the positions covered by such system of individuals who are ineligible to become members of such system; the second part, which shall be known as Part B, shall be composed of the positions of members of such system who have expressed their desire for social security coverage, and the positions of all individuals becoming members of such system after the date social security coverage is extended. Whenever the legislative body of a municipality has authorized the subdivision of its retirement system in this manner, the Governor shall authorize a vote among the members of such system on the question of whether they wish to be covered under an agreement under sections 7-452 to 7-455, inclusive. The Governor shall designate the commission to supervise the conduct of such vote in accordance with the requirements of Section 218(d)(7) of the Social Security Act. For purposes of such vote, an individual in a position to which an agreement under sections 7-452 to 7-455, inclusive, already applies or in a position excluded pursuant to Section 218(d)(5) of the Social Security Act shall not be considered a member of the retirement system with respect to which the vote is being conducted. For the purposes of such vote and of coverage under the system, an individual who is in a position covered by such retirement system and who is not a member thereof, but who is eligible to be such a member, shall be considered to be such a member, and such coverage shall be obtained for any such individual to the extent permitted by Section 218(d)(6)(E) of the Social Security Act. The position of any member of Part A may be transferred to Part B in the manner and to the extent permitted by Section 218 of the Social Security Act. Nothing in this part shall be construed as permitting a referendum among the members of the Teachers’ Retirement Association in accordance with Section 218(d)(3) of the Social Security Act, or vote of said members in accordance with Section 218(d)(7) of said act.

(3) The notice of referendum or vote required by Section 218(d)(3)(c) or Section 218(d)(7) of the Social Security Act, as the case may be, to be given to employees shall contain or shall be accompanied by a statement, in such form and such detail as the commission deems necessary and sufficient, to inform the employees of the rights which will accrue to them and their dependents and survivors, and the liabilities to which they shall be subject, if their services are included under an agreement under sections 7-452 to 7-455, inclusive. Upon receiving evidence satisfactory to him that the conditions of Section 218(d)(3) of the Social Security Act have been met with respect to a referendum or the conditions of Section 218(d)(1) have been met with respect to a vote, the Governor shall so certify to the Secretary.