(a) In a municipality where there is a planning commission, the project shall first be submitted to it for approval. Where changes in the city map and zoning amendments or variances are necessitated by such project, such amendments, variances and changes shall be submitted together with such project and considered as a part thereof. Such planning commission, not later than ten weeks from the date of the referral of the project to it, after a public hearing held on due notice, notice of which shall be published at least ten days prior thereto in the official publication of the municipality, or if none exists, in a newspaper circulating in the municipality, shall submit its report to the local legislative body certifying its unqualified approval, its disapproval, or its qualified approval with recommendations for modifications therein.
After public hearing held on due notice and after the report is received or due from the planning commission, the local legislative body may:
(i) if the planning commission shall have certified its unqualified approval, approve the project by a majority vote;
(ii) if the planning commission shall have certified its disapproval or shall have failed to make its report within ten weeks from the date such project was submitted to it, nevertheless approve the project, but only by a three-fourths vote;
(iii) if the planning commission shall have certified its qualified approval together with recommendations for modifications, approve the project together with the modifications recommended by the planning commission by a majority vote, or approve the project without such modifications but only by a three-fourths vote.