The elector shall designate a vote by making the appropriate mark in the voting target. On paper ballots an “X” or a check mark may be placed in the proper target. [C97, §1106; S13, §1106; C24, 27, 31, 35, 39, § 764; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §49.46 ] 97 Acts, ch 170, §42 ; 2006 Acts, ch 1010, §38 Referred to in §39.4 , 145A.7 , 468.184 , 468.259