Acquisitions by the city of office space or existing buildings for office use, whether by purchase, condemnation, exchange or lease, shall be subject to the following review and approval procedure:
a. The agency proposing any such acquisition shall file with the department of city planning a notice of intent to acquire. The department of city planning shall send such notice to the community board in which the proposed acquisition is located and to all borough presidents.
b. Within thirty days of the filing of such notice, the city planning commission shall hold a public hearing on such acquisition and shall approve or disapprove such acquisition. Notice of such hearing shall be published in the City Record not less than ten days in advance of such hearing.
c. In reviewing any such acquisition, the commission shall apply the criteria for the location of city facilities provided for in section two hundred and three.
d. Within the thirty days provided for commission action pursuant to subdivision b of this section, the commission shall file any approval of such an acquisition with the council. Within twenty days of such filing, the council may by two-thirds vote disapprove such acquisition.