(1) Charter amendments may be proposed by the Charter Review Commission, the County Commissioners, or by the public, pursuant to the provisions of this chapter.

(2) If more than one amendment is submitted on the same ballot, each shall be submitted in such a manner that the people may vote for or against the amendments separately; provided, that an amendment which embraces a single or interrelated subject may be submitted as a single proposition even though it is composed of changes to one or more articles.

(3) If a proposed amendment is approved by a majority of the voters voting on the issue, it shall be effective ten (10) days after the results of the election are certified, unless a later date is specified in the petition or ordinance proposing the amendment.

(4) Any implementing ordinance required by any Charter amendment shall be enacted by the County Commissioners within 180 days after the amendment is effective, unless the amendment provides otherwise.