If the proposal is initiated by the municipal officers, they shall formally request the Planning Board to hold a public hearing as set forth below, and to carry out the other procedural requirements of this section.

If the proposal is initiated by the Planning Board, it shall be by majority vote of the Board.

If a petition requesting amendment of this ordinance, signed by at least 300 registered voters of the City, is filed with the Planning Board, the Board shall promptly (1) request the City Clerk to verify the signatures, and (2) if the Clerk verifies that at least 300 of the signatures are valid, the Board shall then carry out the other procedural requirements of this section.

As soon as the amendment procedure is initiated by any of the above methods, the Board shall cause the City Clerk to give public notice of a public hearing on the proposed changes, which notice shall be made in a newspaper of general circulation in the City, and be published in one issue of such paper, at least 15 days prior to the date of hearing. The notice shall contain the time, date, and place of hearing, and sufficient detail about the proposed changes as to give adequate notice of their content and import. If the proposed changes are extensive, a brief summary of the changes, together with an indication that a full text is available at the City Clerk's office, shall be adequate notice, provided that in fact sufficient copies of the text are made available.

The public hearing shall be held by the Planning Board.

As soon as possible after such public hearing and in any event within 30 days, the Planning Board shall make a written recommendation, for or against the proposed changes to the municipal officers.

The municipal officers shall not act on a proposed change until the recommendation of the Planning Board is before them. A proposed change which has been disapproved by the Planning Board may be enacted by a majority vote of the municipal officers.

The applicant shall file with the City Clerk an application signed by him which shall give an adequate description of the property for which the rezoning is requested, and shall indicate clearly what rezoning is requested. The applicant shall also furnish the City Clerk with a plan showing this property in relation to the present zone boundaries, with sufficient detail to adequately identify it. The applicant shall also at this time pay to the City Clerk a sum to cover notice and advertising costs.

Immediately upon receipt of such an application, the City Clerk shall forward a copy to the Planning Board, which shall promptly schedule a public hearing on the application, allowing sufficient time for the required notice. The Planning Board shall promptly notify the City Clerk of the date, time and place of the hearing, and the Clerk shall inform the applicant. However, it shall be the responsibility of the applicant to find out from the Clerk the details of the hearing in order to post the required sign as required by the following section.

At least 10 days prior to the scheduled hearing, the applicant shall, at his expense, cause to be erected on the property in a conspicuous location a sign containing not less than nine square feet of area, with a white background on which shall be written in letters at least three inches high:

Immediately upon receiving notification from the Planning Board of the details of the hearing, the City Clerk shall:

The public hearing shall be held by the Planning Board.

As soon as possible after such public hearing and in any event within 30 days, the Planning Board shall make a written recommendation, for or against the proposed changes to the municipal officers.

The municipal officers shall not act on a proposed change until the recommendation of the Planning Board is before them. A proposed change which has been disapproved by the Planning Board may be enacted by a two-thirds vote of the municipal officers.