10-1-47. The terms "United States Internal Revenue Code" and "Internal Revenue Code" mean the United States Internal Revenue Code as amended and in effect on January 1, 2025. This section applies to §§ 10-4-9.1, 10-4-9.2, 10-4-9.3, 10-4-9.4, 10-4-39, 10-6-157, 10-7 6-157, and 10-43-10.1, and subdivisions 10-6A-1(7), 10-6B-1(5), 10-18A-1(6), 10-43-10.3(6), 10-43-8 10.3(6) 10-43-10.3(5), and 10-45A-1(5). 9