If a majority of the qualified voters voting on the charter at the election vote in favor of the home rule charter, the charter is ratified and is the organic law of the city, and extends to all its local and city matters. The charter and the ordinances made pursuant to the charter in such matters supersede within the territorial limits and other jurisdiction of the city any law of the state in conflict with the charter and ordinances and must be liberally construed for such purposes. One copy of the charter ratified and approved must be filed with the secretary of state and one with the auditor of the city to remain as a part of its permanent records. Thereupon the courts shall take judicial notice of the new charter.