Our free online guide for business owners covers Massachusetts sales tax registration, collecting, filing, due dates, nexus obligations, and more. This process involves presenting an Massachusetts Sales Tax Resale Certificate to the merchant from whom you're buying the merchandise to be resold.There is only a statewide tax and no local taxes in this state. Sales tax is collected at the point of purchase. The current Massachusetts sales tax rate is 6.25 percent. A Massachusetts resale certificate exempts a business from the obligation to pay sales tax when purchasing goods for resale. If not, you'll file Form ST10, "Business Use Tax Return. " The form is due on or before April 15 for purchases made in the prior calendar year.