(1) Full charge of 1,500 pounds or greater. The owner or operator of a facility that has a refrigeration or air conditioning system with a full charge greater than or equal to 1,500 pounds and that uses a refrigerant with a GWP of 150 or more must register with ecology by providing the information specified in subsection (6) of this section as follows:

(a) By March 15, 2024, for refrigeration or air conditioning systems that begin operations on or before January 1, 2024; or

(b) By March 15th of the calendar year after the year in which the refrigeration or air conditioning system begins operations for systems that begin operating after January 1, 2024.

(2) Full charge of 200 to 1,499 pounds. The owner or operator of a facility that has a refrigeration or air conditioning system with a full charge greater than 199 pounds, but less than 1,500 pounds and that uses a refrigerant with a GWP of 150 or more must register with ecology by providing the information specified in subsection (6) of this section as follows:

(a) By March 15, 2026, for refrigeration or air conditioning systems that begin operations on or before January 1, 2026; or

(b) By March 15th of the calendar year after the year in which the refrigeration or air conditioning system begins operations for systems that begin operating after January 1, 2026.

(3) Full charge of 50 to 199 pounds. The owner or operator of a facility that has a refrigeration or air conditioning system with a full charge greater than or equal to 50 pounds, but less than 200 pounds and that uses a refrigerant with a GWP of 150 or more must register with ecology by providing the information specified in subsection (6) of this section as follows:

(a) By March 15, 2028, for refrigeration or air conditioning systems that begin operations on or before January 1, 2028; or

(b) By March 15th of the calendar year after the year in which the refrigeration or air conditioning system begins operations for systems that begin operating after January 1, 2028.

(4) New owners. If there is a change of ownership of a facility that has been registered in accordance with this section, the new owner or operator must register with ecology by March 15th of the calendar year after the change of ownership occurred.

(5) New facilities. The owner or operator of a newly constructed facility, or a facility that is converted for a use that is subject to this chapter, must register the facility with ecology within three months of beginning refrigeration or air conditioning system operations.

(6) Registration information. To register, the owner or operator must provide the following information through the Washington RMP reporting system:

(a) Facility information:

(i) Facility identification number. The identification number for each facility will be assigned by the WA RMP data reporting system;

(ii) Name of facility;

(iii) Name of owner(s);

(iv) Name of operator(s), if different than the owner(s);

(v) North American Industry Classification System (NAICS) code;

(vi) Facility mailing address including street address, city, state, and zip code;

(vii) Facility physical address including street address, city, state, and zip code;

(viii) Facility contact person; and

(ix) Facility contact person's phone number and email address.

(b) Refrigeration or air conditioning system information:

(i) System identification number. The identification number for each system will be assigned by the WA RMP data reporting system;

(ii) System type. The system type must include whether it is a refrigeration or air conditioning system and the specific end-use;

(iii) Equipment manufacturer;

(iv) Equipment model and model year;

(v) Equipment serial number. If the equipment is part of an assembly without a serial number or the serial number is not accessible after assembly, the physical location of the equipment must be recorded;

(vi) Temperature classification. Refrigeration systems must be identified as a very low-temperature, low-temperature, or medium-temperature system, or other;

(vii) Full charge the system is designed for in order to maintain normal operating characteristics;

(viii) Type of refrigerant(s) used with a GWP of 150 or more; and

(ix) Operational status. The operational status may be reported as operated year-round, mothballed, standby or emergency, not operated year-round, or retired.

(7) Change of ownership. Prior to any change of ownership of a facility that has been registered in accordance with this section, the seller must ensure all of the following are completed:

(a) The seller must confirm that the registered refrigeration or air conditioning system is free of refrigerant leaks through a leak inspection performed by a technician certified by EPA under 40 C.F.R. § 82.161;

(b) The seller must inform the prospective buyer of the registration requirements of this section; and

(c) The seller must submit a change of ownership notification to ecology that includes all of the following:

(i) Seller information:

(A) Facility identification number as it appears in the WA RMP data reporting system;

(B) Name of owner or operator; and

(C) Name of facility.

(ii) Prospective buyer information:

(A) Name of owner(s);

(B) Name of operator(s), if different than the owner(s);

(C) Name of facility;

(D) Facility mailing address, including street address, city, state, and zip code;

(E) Facility contact person; and

(F) Facility contact person phone number and email address.