(1) Prohibitions. No person shall offer for sale, lease, rent, install, or other cause to enter into Washington commerce any new air conditioning equipment that contains or uses a prohibited substance listed in WAC 173-443-040, Table 3, unless an exemption is provided for in WAC 173-443-050.

(2) Sell through provision. Air conditioning equipment that is manufactured prior to January 1, 2024, may be sold, leased, rented, installed, or otherwise introduced into Washington commerce until January 1, 2026.

(3) Labeling and disclosure. Beginning one year from the effective date of this chapter, a manufacturer of any new air conditioning equipment that is intended for sale or other entry into Washington commerce, must disclose the substance(s) contained or used in its equipment by labeling the equipment in accordance with this subsection. For field-charged or field-erected equipment, this labeling must be completed by the equipment installer, as the manufacturer, at the time of installation.

(a) The following information must be disclosed in the form of an on-product label:

(i) Chemical name, or American Society of Heating and Air Conditioning Engineers (ASHRAE) designation, of the substance(s) used or contained in the equipment;

(ii) The GWP, labeled as "global warming potential," of the substance(s) used or contained in the equipment;

(iii) Date of manufacture or import. For field-erected or field-charged equipment, this is the date of first charge; and

(iv) Refrigerant charge size in ounces, pounds, or kilograms.

(b) Existing labels meeting the above requirements may be used.

(4) Recordkeeping. As of the effective date of this chapter, a manufacturer of any new or retrofit air conditioning equipment, as defined in WAC 173-443-030, must maintain for a minimum of five years, and make available upon request by ecology, a copy of the following records:

(a) The sector or subsector of the equipment;

(b) Refrigerant type the equipment is designed to use and its GWP value;

(c) Date of manufacture or import;

(d) Model and serial number;

(e) Name of company or retailer to whom the equipment was sold or otherwise distributed;

(f) The bill of lading; and

(g) The invoice.