Code. The Internal Revenue Code of the United States, as defined in M.G.L. c. 62, § 1(c).
Commissioner. The Commissioner of the Massachusetts Department of Revenue, or the Commissioner's duly authorized representative.
Taxpayer. Any individual or entity subject to taxation under M.G.L. c. 62 and entitled to take a charitable contribution deduction under M.G.L. c. 62, § 3(B)(a)(13).
830 CMR, § 62.3.2