A contribution under this section may be made with respect to any taxable year at the time of filing a return of the tax established by this chapter for such taxable year. The commissioner shall prescribe the manner in which the contribution shall be made on the face of the return required by section 5 of chapter 62C; provided, however, that the commissioner shall assure that taxpayers filing any such forms are made clearly aware of their ability to make the contributions provided for by this section.
The commissioner shall annually report the total amount designated under this section to the state treasurer, who shall credit such amount to the Homeless Animal Prevention and Care Fund.
Mass. Gen. Laws ch. 62, § 6M