Amount of Tax You Owe

Line
70
Step
12
Step Subject
Pay
Instruction Year
2019

If line 66 is less than line 58, subtract line 66 from line 58 and enter the difference.

About Iowa income tax withholding...

If the amount you owe (line 70) is large, you may wish to check the Withholding Calculator to estimate your recommended withholding. You may file a new IA W-4 with your employer to change the amount of Iowa income tax withheld from your pay. 

Go to Line 69

Go to Line 71