You will need to go back into her tax return and on the left hand side scroll down and you will see Audit Defense- you can then purchase it from there. 

Thank you for choosing TurboTax.

Hi

• there is nothing on the left(or right side) showing anything about audit defence registration 
• thanks!

If you are using TurboTax online or EasySteps- Once you sign into your return on the left hand side go down to Review- click on drop down arrow and scroll down to Audit Defense.

Hi

I have Turbo Tax Small business DVD. Will it work on this? Thanks again!

Once you are on your wifes return- go to the top of the page and click on "Easy Steps".  If you are having trouble I'd suggest you contact our phone support team to assist further. You can contact them at 1-888-829-8608.