The cost of printing the official election ballots and printed supplies shall not exceed the usual and customary rates that the printer charges its regular customers. [SS15, §1107; C24, 27, 31, 35, 39, § 774; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §49.56 ] 88 Acts, ch 1119, §18 ; 2009 Acts, ch 57, §30 Referred to in §53.46