The charter commissioners shall propose a charter for the
government of the City-County of Sacramento. The charter so prepared
shall be signed by a majority of the charter commissioners and shall
be filed in the office of the clerk of the largest city and in the
office of the county clerk. The legislative body of the county shall,
within 15 days after such filing, cause such charter to be published
once in a newspaper of general circulation printed and published in
the county and in each edition thereof, during the day of