Ga. L. 1987, p. 191, § 10, not codified by the General Assembly, provides that this Act is applicable to taxable years ending on or after March 11, 1987, and that a taxpayer with a taxable year ending on or after January 1, 1987, and before March 11, 1987, may elect to have the provisions of that Act apply. Ga. L. 1987, p. 191, § 10, not codified by the General Assembly, also provided that tax, penalty, and interest liabilities and refund eligibility for prior taxable years shall not be affected by that Act. Ga. L. 1987, p. 191, § 10, not codified by the General Assembly, also provided that provisions of the federal Tax Reform Act of 1986 and of the Internal Revenue Code of 1986 which as of January 1, 1987, were not yet effective become effective for purposes of Georgia taxation on the same dates as they become effective for federal purposes. 27 Ga. L. 1994, p. 597, § 4, not codified by the General Assembly, provides that this Act shall be applicable to all taxable years beginning on or after January 1, 1994. Ga. L. 2018, p. 8, § 3-1(b)/HB 918, not codified by the General Assembly, provides, in part, that this Act “shall be applicable to all taxable years beginning on or after January 1, 2019.” Ga. L. 2022, p. 114, § 1-1/HB 1437, not codified by the General Assembly, provides: “This Act shall be known and may be cited as the ‘Tax Reduction and Reform Act of 2022.’” Ga. L. 2022, p. 114, § 5-1/HB 1437, not codified by the General Assembly, provides: “(a) This Act shall become effective upon the approval of this Act by the Governor or upon this Act becoming law without such approval; provided, however, that Part II of this Act shall become effective on January 1, 2024, and shall be applicable to all taxable years beginning on or after January 1, 2024. makes this Code section applicable to all taxable years beginning on or after January 1, 2024. “(b) Tax, penalty, and interest liabilities and refund eligibility for prior taxable years [prior to January 1, 2024] shall not be affected by the passage of this Act and shall continue to be governed by the provisions of Title 48 of the Official Code of Georgia Annotated as they existed for such prior taxable years.” 48-7-20 Ga. L. 2023, p. 335, § 4-1(a)/SB 56, not codified by the General Assembly, provides, in part, that the amendment of this Code section by that Act shall be effective on January 1, 2024, and shall be applicable to all taxable years beginning on or after January 1, 2024. Ga. L. 2023, p. 335, § 4-1(b)/SB 56, not codified by the General Assembly, provides: “Tax, penalty, and interest liabilities and refund eligibility for prior taxable years shall not be affected by the passage of this Act and shall continue to be governed by the provisions of Title 48 of the Official Code of Georgia Annotated as they existed for such prior taxable years.” Ga. L. 2024, p. 18, § 2/HB 1015, not codified by the General Assembly, makes this Code section applicable to all taxable years beginning on or after January 1, 2024.