To enter your state and/or local income taxes paid (NOT withholding or estimated tax payments):
From within your TaxAct® return (Online or Desktop) click on the Federal tab. On smaller devices, click the menu icon in the upper left-hand corner, then select Federal
Click Itemized or Standard Deductions to expand the category and then click Taxes paid
Enter your taxes paid in the box Other state and local taxes paid
An example of taxes you would enter here are taxes paid in 2015 for a balance due on your 2014 tax return.
The state taxes withheld on Form W-2 entered within the Wages and Salaries section of the Federal Q&A will automatically transfer to Schedule A, Line 5 as an itemized deduction.
Additional Information:
If you were instead looking for information relating to the general sales tax deduction or estimated tax payments, please see the links below.