TaxSlayer Pro partners with several companies with additional services that you can offer your clients, for their benefit as well as yours, integrated within the tax return preparation process. If you signed up for any of these in your Account Hub, you'll specify in this menu that you want the option to offer the service within a tax return you're working on and any additional fees.
Offer SecurelyID - see here for more information about SecurelyID
Offer Audit Maintenance Pro - see here for more information about Audit Maintenance Pro
Offer Protection Plus - see here for more information about Protection Plus