135-31. Split referendums.
The provisions of this Article shall be construed as authorization for the State or political subdivisions or instrumentalities of government which have not heretofore secured social security coverage, and which are otherwise authorized to secure such coverage, to hold any type of referendum with respect thereto which federal law now or hereafter may authorize, and not be restricted to the types of referendums authorized by federal law at the time of the original enactment of this Article.