itonewbie
Level 15

The input is under State & Local > AR Income, within the section for Arkansas Miscellaneous, on the line Border city exemption (1=all income) (Form AR-TX).  This is a bit unusual because similar adjustments would normally be found under State & Local > Modifications instead.

If you ever get lost in PTO, you can always use the search bar to find what you need by typing in the keywords.  In this case, you would have gotten 3 results under Field description.

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Still an AllStar