P23 Audit Division (Commercial & Individuals)
Compliance Bureau
Department of Revenue
200 Arlington Street, Room 4300
Chelsea, MA 02150
Tel: 617-887-6800
Installment Sales Unit: 617-887-6950
Manufacturing Corporation Classification: 617-887-6980
Out of State Contracts: 617-887-6995
Security Corporation Classification Unit: 617-887-6990
www.mass.gov/dor/
This division enforces the tax laws as they apply to individuals, nonprofit corporations, exempt corporations and diplomats residing in Massachusetts. It is also the place to report businesses that are not collecting the appropriate excise taxes.