For purposes of this section, the term "date of overpayment" shall mean the later of the date when the commissioner shall have received a properly completed return and full payment of the tax due thereon, or the date when the commissioner shall have received a completed and substantiated written application for abatement filed in accordance with this chapter, and any supplemental information requested by the department from the taxpayer in support of such application.
No interest shall be paid on a refund made pursuant to Article VIII of the Compact on Taxation of Motor Fuels Consumed By Interstate Buses, as appearing in section one of chapter four hundred and sixty-five of the acts of nineteen hundred and sixty-three. No interest shall be paid on a refund of the tax imposed by chapter sixty-four D, or on a refund under sections seven or seven A of chapter sixty-four A, or section five of chapter sixty-four E, or section four of chapter sixty-four F, or section seven A of chapter sixty-four G. For purposes of this section, a return shall not be treated as filed until such return is filed on an approved form and contains: (i) the taxpayers name, address, and identifying number and the required signature, and (ii) sufficient required information to permit the mathematical verification of the tax liability shown on the return as compared with the tax liability shown as a result of any corrections made to the return by the commissioner under subsection (c) of section 26 using any records regarding that liability or the payment thereof which are maintained by the commissioner or which are furnished to the commissioner by any third-party.
Mass. Gen. Laws ch. 62C, § 40