Authorized purchases for ACAT are exempt from Massachusetts Sales Tax. Vendors may require one or all of the following:
- Our Exemption Number: 270-287-252 (which the observant viewer will notice is the same as our Federal EIN: 27-0287252).
- A copy of our ST-2 Certificate of Exemption.
- A copy of our renewed ST-2 Certificate of Exemption.
Our certificate expires 18 January 2030.