Whenever any proposition to authorize or to levy an annual tax, or to increase the annual rate of tax levied by any community college district, including a community college district to which Article VII applies, for any community college purpose is submitted to the voters of such district at any election, each required notice or other publication of the election or referendum and the form of ballot shall contain, in addition to any other matters required by law:
     (a) the geographic or other common name of the community college district by which that district is commonly known and referred to, as well as the number of the district;
     (b) the maximum rate at which such tax may be levied if the proposition is approved; and
     (c) if the proposition is to increase the annual rate of an existing tax levied by the community college district, then in addition to the matters set forth in (a) and (b) above, the annual rate at which such existing tax currently is levied and the percentage of increase between the maximum rate at which such tax may be levied if the proposition is approved and the annual rate at which such tax currently is levied.