For the purposes of this subchapter, the term:
(1) “Air conditioner” means an appliance, system, or mechanism designed to remove heat and humidity from ambient air for thermal comfort.
(3) “Commercial property” means income-producing property as identified under zoning classifications that would allow for uses such as office buildings, retail stores, and service facilities pursuant to Chapter 7 of Title 11 of the District of Columbia Municipal Regulations (11 DCMR § 700 et seq.).
(3A) "DOEE" means the Department of Energy and Environment.
(4) “Person” means:
(A) The owner or lessee of the portion of a commercial building or structure that is a retail or wholesale establishment that sells goods or provides services to consumers; and
(B) The record owner or lessee of any other portion of a commercial building or structure.
Section 301 of D.C. Law 19-252 provided that the Mayor shall issue rules to implement the provisions of the act within 180 days of its effective date [March 19, 2013].