REAPPORTIONMENT. ASSEMBLY DISTRICTS. REFERENDUM STATUTE. State Assembly districts are reapportioned every ten years following the federal census. Chapter 537 (AB 300), enacted by the 1981 Legislature, revises boundaries of the 80 Assembly districts and covers other matters involving referendums and challenges. This referendum petition, if signed by the required number of electors and filed with the Secretary of State within 90 days of the enactment of AB 300, will: (1) Require that this statute be placed on the ballot at an election, and (2) Prevent the statute from taking effect unless it is adopted by majority vote