The General Assembly may enact laws governing the conduct of elections authorized by this Amendment. Absent the enactment of such laws, such elections shall be held, called and conducted in accordance with the laws governing elections generally. The results of such election shall be published in a newspaper of general circulation in the county or municipality (as the case may be) and any contest of such election or the tabulation of the votes therein shall be brought within thirty (30) days after such publication or shall be forever barred.