A. Unless there is a vacancy surplus as of the most recent determination pursuant to Section 20.30.030; no application for approval of a tentative or parcel map for a project subject to the provisions of this chapter shall be filed.

B. When the vacancy surplus; as of the most recent determination pursuant to Section 20.30.030; plus forty percent of the vacancy surplus is greater than or equal to the total number of rental apartments being proposed for conversion to community housing; an application for approval of a tentative or parcel map may be filed with the planning department.

C. An application for approval of a tentative or parcel map for a project subject to the provisions of this chapter may be filed; regardless of whether there is a vacancy surplus; if two-thirds of all of the adult tenants lawfully in possession indicate their desire to convert such project to community housing.

Such desire shall be indicated by the tenant’s signature on a form which contains the statement that the project may be converted to community housing if two-thirds of all of the adult tenants lawfully in possession so desire and that the tenant; by signing such statement; irrevocably expresses his or her consent to such conversions. Such statement shall provide that conversion may require the tenant to find other housing which may not be available in Petaluma. Such statement shall also include the tenant’s printed name and address. No other words or provisions shall appear on such statements.

D. An application for a tentative or parcel map may be filed with the planning department if the applicant has within the preceding sixty days obtained certificates of occupancy for a like number of new rental apartment units within the city limits.