When an election is held by any county, or any number of counties, or any political sub-division of the State, or any political sub-division of a county, or any defined district now or hereafter to be described and defined within the State and which may or may not include towns, villages or municipal corporations, or any city, town or village, for the purpose of issuing bonds or otherwise lending credit, or expending money or assuming any debt, only qualified voters of the State, county, political sub-division, district, city, town or village where such election is held shall be qualified to vote.