5.2: A person who is a Canadian citizen under paragraph 1(b) ceases to be a Canadian citizen upon the expiration of three years after the day on which he attains the age of twenty-one years unless he:1(b) is "born outside of Canada elsewhere than on a Canadian ship"Either is living in Canada or files a declaration of intention to retain Canadian citizenship.
Doesn't apply to Cruz.
Read section 4.2. I cited the wrong one.