(A) Proposals. An improvement proposal may be initiated by
(1) a petition to the assembly from the property owners who collectively would bear more than 50 percent of the cost of the total special assessment, or
(2) the assembly, by notice of intent to introduce an ordinance.
(B) Protests. If written protests are filed by property owners who would collectively bear 50 percent or more of the cost of the special assessment, the assembly shall not proceed until
(1) approval is granted by property owners who would collectively bear more than 50 percent of the special assessment, or
(2) approval is given by a supermajority vote of the assembly.