If the number of votes cast for any office or on any question exceeds the number of voters’ declarations of eligibility signed as required by section 49.77 , such fact shall be certified, with the number of the excess, in the return. [C51, §263; R60, §498; C73, §627; C97, §1140; C24, 27, 31, 35, 39, § 845; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §50.6 ]