How do I confirm my military retirement (thru a 1099-R) is not taxed in Louisiana?

On the LA return, you will see it listed with the exemption code 04E. There is a place in the program that lists your income for you to choose options.

To print or view  your forms:

• In desktop, switch to Forms Mode. 
• For online:
  1. On the left side, select  Tax Tools
  2. Select Print center
  3. Select Print, save or preview this year's return
  4. If you have not paid, select pay now.