1. (1) Except as provided by paragraph (2) of this subdivision, where the application is made by an owner or tenant, the division shall forward, as promptly as possible, a copy of such application to all parties adversely affected thereby.
2. (2) Where an application is filed, pursuant to section 2502.4(a)(2)(ii), (iii), (iv) or (v) of this Title, to increase the legal regulated rent, the division shall notify all parties adversely affected thereby, and shall afford such parties the opportunity to submit written responses thereto. The owner shall maintain a copy of the application, with supporting documentation, on the premises so that tenants may examine it, or in the alternative, a copy of the application, with supporting documentation, shall be made available by the division for tenant examination upon prior request. Tenants' written responses shall be considered by the division prior to a final determination of the application.
3. (b) Where the proceeding is instituted by the division, it shall forward to all parties affected thereby a notice setting forth the proposed action.

(a)