Add to ORKGAssembly Constitutional Amendment 31. Amends Section 8, Article Xl, of Constitution. Requires board of freeholders, within one year after their election, to prepare a proposed city charter, and If city\u27s population exceeds 50,000 requires copies thereof be printed and mailed each elector. Requires petition for submission of charter amendment be filed with legislative body of city at least sixty days before general election next preceding a regular session of Legislature. Permits charter provision for division of city into boroughs or districts; eliminates provision that borough\u27s powers be not changed without consent of electors of borough