​All things being equal, the state may give a preference to goods and supplies first manufactured and sold in the commonwealth, and then manufactured and sold domestically. We assign no percent under this statute.

Notwithstanding any general or special law to the contrary relating to procurement, and to the extent permitted by federal law, a state agency or authority shall establish a preference for the procurement of products or services from businesses, as defined in section 3A of chapter 23A, with their principal place of business in the commonwealth. In addition, the operational services division shall ...

Section 23B. (a) Notwithstanding any general or special law to the contrary, and to the extent permitted by federal law, a state agency, authority or trustees or officers of a state college or university designated by such trustees when purchasing products of agriculture as defined in section 1A of chapter 128, including but not limited to, fruits, vegetables, eggs, dairy products, meats, crops, h...