SECTION 1.  Chapter 62 of the General Laws, as appearing in the 2014 Official Edition, is hereby amended in Section 3, by adding at the end of Part B, Paragraph (b)(1), the following subparagraph:— (D) an additional exemption of four thousand dollars if the taxpayer provided more than one-half of the support for an elderly relative who has attained the age of seventy before the taxable year; provided that the elderly relative resided with the taxpayer for more than six months of the taxable year and; provided further, that the adjusted gross income of the taxpayer does not exceed thirty thousand dollars for the year in which the exemption is being claimed.

SECTION 2. Chapter 62 of the General Laws, as appearing in the 2014 Official Edition, is hereby amended in Section 3, by adding at the end of Part B, paragraph (b)(2), the following subparagraph:— (D) an additional exemption of four thousand dollars if the taxpayer provided more than one-half of the support for an elderly relative who has attained the age of seventy before the taxable year, provided that the elderly relative resided with the taxpayer for more than six months of the taxable year and; provided further, that the adjusted gross income of the taxpayer does not exceed forty thousand dollars for the taxable year in which the exemption is being claimed.

SECTION 3. The commissioner shall adopt rules and regulations governing the provisions of this act that are not inconsistent with the provisions contained herein.

SECTION 4. The provisions of this act shall be effective for taxable years beginning January 1, 2021.