The 2022 revision of Form 3468 made several changes to the lettered lines that constitute line 12 of Form 3468. As a result, the letter line references in the instructions for Schedule C, Part II, line 10 need to be revised. When completing the Form 8991 for tax year 2022, please use the instructions for Schedule C, Part II, line 10, that are in the following paragraph. Line 10. Enter only the total amount of investment credit allocable to the section 48 energy credit shown on line 4a, "Investment (Form 3468, Part III)" of all Parts III, Form 3800, with box A, B, C, or D checked. The section 48 energy credit portion of the amount in Part III, line 4a, equals the combination of the amounts reported in Form 3468, Part III, Energy credit, on lines 12a, 12b, 12c, 12g, 12j, 12m, 12s, 12v, 12x, 12y, 12z, 12bb, 12cc, 12dd, and 12hh. This total equals the available investment credit properly allocable to the energy credit in the tax year.
