Enacts new subsection (a1) to GS 163-122, which covers procedures for nominating unaffiliated candidates by petition, to prohibit the nominee of a party for one office from filing a petition as an unaffiliated candidate for another office in the same general election. Lists the following exceptions to the prohibition: (1) when the other office is for the remainder of an unexpired term, and the party nomination is made by the appropriate executive committee or (2) when the petition is filed more than 120 days before the general election and the person submitting the petition resigns as party nominee prior to the 120th day before the general election. Effective with respect to elections occurring on or after January 1, 2012.