Generally, a county's charter supersedes state law, and a county is bound to follow its charter where the two conflict. The authority to amend the Constitution of the United States is derived from Article V of the Constitution.The County's charter governs certain county governmental functions. The County's charter can only be amended with voter approval. Election News and information — local elections, candidates, and measures for the city of Alameda, CA with up to date voting information. Alameda County residents will be voting on a ballot measure this March that aims to reduce the time period that the county announces job openings. The County's charter governs certain county governmental functions. The County's charter can only be amended with voter approval. Filling in the outlines of the test. There have been 27 amendments to the Constitution, beginning with the Bill of Rights, the first 10 amendments, ratified December 15, 1791.