As used in this chapter the following words shall have the following meanings:--
The words "business", "commissioner", "engaged in business", "engaged in business in the commonwealth", "gross receipts", , "marketplace", "marketplace facilitator", "marketplace seller", "person", "remote marketplace facilitator", "remote marketplace seller", "remote retailer", "retailer", "retail establishment", "sale", "selling", "sale at retail" and "retail sale", "sales price", "services", "tangible personal property", "tax", "taxpayer", "telecommunications services", and "vendor", shall have the same meanings as in section one of chapter sixty-four H.
"Purchase and purchased" shall include
"Purchaser", any person who shall have purchased tangible personal property or services sold at retail and includes a buyer, vendee, lessee, licensee or grantee.
"Store" and "storage", any keeping or retention in the commonwealth for any purpose except sale in the regular course of business or subsequent use solely outside of the commonwealth of tangible personal property purchased from a vendor.
"Use" shall mean and include
The terms "store" and "storage", and "use" shall not include the keeping, retaining, or exercising of any right or power over tangible personal property for the purpose of subsequently transporting it outside of the commonwealth for use thereafter solely outside of the commonwealth, or for the purpose of being processed, fabricated or manufactured into other tangible personal property to be transported outside of the commonwealth and thereafter used solely outside of the commonwealth.
Mass. Gen. Laws ch. 64I, § 1