(b) (1) For notices to vacate served before January 1, 2018, any landlord who, within three years of the date of service of the notice to quit, offers for rent or lease any unit in which the possession was recovered pursuant to Section 37.9(a)(8) shall first offer the unit for rent or lease to the tenants displaced, in the same manner as provided for in Sections 37.9A(c) and (d).
(2) For notices to vacate served on or after January 1, 2018, any landlord who, within five years of the date of service of the notice to quit, offers for rent or lease any unit in which the possession was recovered pursuant to Section 37.9(a)(8) shall first offer the unit for rent or lease to the tenants displaced, by mailing a written offer to the address that the tenant has provided to the landlord. If the tenant has not provided the landlord a mailing address, the landlord shall mail the offer to the address on file with the Rent Board, and if the Rent Board does not have an address on file, then to the unit from which the tenant was displaced and to any other physical or electronic address of the tenant of which the landlord has actual knowledge. The landlord shall file a copy of the offer with the Rent Board within 15 days of the offer. The tenant shall have 30 days from receipt of the offer to notify the landlord of acceptance or rejection of the offer and, if accepted, shall reoccupy the unit within 45 days of receipt of the offer.