Sections 426A.11 through 426A.15 , 427.1 , 427.8 through 427.11 , 428.4 , 428.20 , 428.22 , 428.23 , 437.1 , 437.3 , 441.21 , 443.1 through 443.3 , 444.2 through 444.4 , and 447.9 through 447.13 , so far as applicable, apply to cities acting under special charters. [S13, §1322-3a; C24, 27, 31, 35, §7007; C39, § 6867.1; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81 , S81, §420.207 ; 81 Acts, ch 117, §1082 ] 89 Acts, ch 296, §40 ; 99 Acts, ch 114, §24 ; 2002 Acts, ch 1150, §3 ; 2011 Acts, ch 34, §95 ; 2018 Acts, ch 1026, §128