In General. Subject to the requirements of §B of this regulation: If a voter is unable to sign a form used at a polling place, an “X” or similar mark will be accepted as that individual's signature; and If a voter is unable to make a mark, the requirement for a signature is met by the execution of the endorsement described in §B of this regulation. Endorsement. In either of the situations described in §A of this regulation, the election judge checking in or otherwise assisting the voter shall sign and date, on the back of the form, an endorsement indicating that: The voter was unable to sign the voter's name; and If the form that the voter was unable to sign was the voter authority card, the voter was found qualified to vote by that election judge.