An initiatory or referendum petition shall be addressed to the City Commission. No such petition need be on one (1) paper, but may be the aggregate of two (2) or more petition papers identical as to contents. A referendum petition shall clearly identify the ordinance or part thereof and ordinance number it proposes to have repealed. An initiatory petition shall set forth in full the ordinance it proposes to initiate and no petition shall propose to initiate more than one (1) ordinance. Before being circulated for signatures, the petition shall be approved as to its form by the City Attorney.