The voter registration form must include a certification of voter eligibility by which the applicant attests, under the penalty of perjury, that the applicant:
(1) Is a citizen of the United States;
(2) Will be eighteen years or older on or before the next election;
(3) Is a resident of the state of South Dakota;
(4) Has not been judged mentally incompetent;
(5) Is not currently serving a sentence for a felony conviction; and
(6) Authorizes the cancellation of a previous registration, if applicable.