Mass. Gen. Laws ch. 63, § 38M
(a)
(i) the average annual gross receipts of the taxpayer for the 4 taxable years preceding the credit year; and (ii) a fixed-base ratio and the ''fixed base ratio'' shall be the percentage which the average aggregate qualified research expenses for the taxpayer for the third and fourth taxable years preceding the credit year is of the annual average gross receipts for those years; provided, however, that the fixed base ratio shall not exceed 16 per cent.
In determining the amount of the credit allowable under this section, the commissioner of revenue may aggregate the activities of all corporations that are members of a controlled group of corporations as defined by subsection (f)(1)(A) of said section 41 of said Code. The commissioner also may aggregate the activities of all entities, whether or not incorporated, that are under common control as defined by subsection (f)(1)(B) of said section 41 of said Code.
(j)
(1) The credit allowed by this section, at the election of the taxpayer in accordance with regulations promulgated by the commissioner, may be applied separately with respect to the:
(2) For the purposes of this subsection, ''defense-related activities'' shall mean any activity carried out in the commonwealth that relates to the business of researching, developing and producing for sale, pursuant to a contract or subcontract thereof:
(ii) equipment for the federal National Aeronautics and Space Administration; and (iii) medical countermeasures, including, but not limited to:
(k)
(1) As used in this section, the following words shall have the following meanings unless the context clearly requires otherwise:
''Climatetech'', as defined in section 1 of chapter 23J.
''Climatetech company'', as defined in section 1 of chapter 23J.
''Life sciences'', advanced and applied sciences that expand the understanding of human physiology and have the potential to lead to medical advances or therapeutic applications, including, but not limited to, agricultural biotechnology, biogenerics, bioinformatics, biomedical engineering, biopharmaceuticals, biotechnology, biosecurity, life sciences related artificial intelligence, chemical synthesis, chemistry technology, diagnostics, genomics, image analysis, marine biology, marine technology, medical technology, medical devices, nanotechnology, natural product pharmaceuticals, proteomics, regenerative and preventative medicine, RNA interference, stem cell research and veterinary science.
''Person'', a natural person, corporation, association, partnership or other legal entity.
''Taxpayer'', a person, certified life sciences company or certified climatetech company subject to the taxes imposed by this chapter or chapters 62, 64H or 64I.