Please be aware after January 1st, 2018 a Section 609 certification card will be required to purchase R-12, R-134a, or R1234yf cylinders of 10 pounds or more.
Distributors will be required to keep records of certified technicians purchasing refrigerant.
If you are already Section 609 certified, your credentials are good for life.
For more information go to: www.epa.gov or www.macsw.org
Keyword: 609