a. Advance notice of all preliminary and final plans of public agencies and public benefit corporations or of private agencies, entities or developers filed with the city that relate to the use, development or improvement of land subject to city regulation shall be given to the affected community board or boards and the office of the affected borough president, provided that exceptions may be made in matters of no appreciable public concern by agency rule.
b. Copies of (1) all requests for proposals and other solicitations of proposals issued by or on behalf of the city, whether or not issued by an agency, a local development corporation or other entity, and (2) all letters of intent executed by or on behalf of the city, whether or not executed by an agency, a local development corporation or other entity, that relate to the private use or the disposition of city-owned land, shall be conveyed to the community boards where such land is located and the office of the borough president where such land is located promptly after issuance or execution.