Advertisement 1 This advertisement has not loaded yet, but your article continues below. The seat has been vacant since Merrilee Fullerton resigned in March. A byelection must be held with six months of that date. Article content It’s not yet clear when, exactly, Kanata-Carleton voters will choose their next MPP, but they now have three major-party candidates to scrutinize for the seat vacated two months ago by then-cabinet minister Merrilee Fullerton.