Line 13 Code K should be entered on Screen 20.1 under the Line 13 - Other deductions section by selecting K-Excess business interest interest from the K-1 Code column.

Line 20 Code AE and AF for Excess taxable income and Excess business interest income would be entered under the Line 20 - Other section, on the lines for (20AE) Excess taxable income and (20AF) Excess business interest income.

If there is any supplemental information for Line 20 Code AH, you will need to determine whether it's relevant and, if so, decide which form or schedule that piece of information may belong to.