Since you paid for the Audit Defense by credit card it will be available for the tax year that was filed.
See this TurboTax support FAQ for Audit Defense membership - https://ttlc.intuit.com/community/using-turbotax/help/when-will-i-get-my-audit-defense-membership-in...
You will need to contact TurboTax support for the refund of the state e-file fee. Use the key words Billing Issue
Use this website to contact TurboTax support during business hours - https://support.turbotax.intuit.com/contact/
Or -
Support can also be reached by messaging them on these pages https://www.facebook.com/turbotax/ and https://twitter.com/TeamTurboTax
