Desktop End User License Agreement
https://turbotax.intuit.com/corp/license/desktop.jsp
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B Additional Terms
2. Supplemental License Grant and Restrictions.
C. Additional Restrictions
You are not licensed or permitted to use the Software, or to allow the Software to be used, to prepare tax returns, schedules or worksheets on a professional or commercial basis (i.e., for a preparer's or other fee or consideration). Additionally, if you violate these terms, you agree you must indemnify and defend Intuit against any claims or lawsuits, including (without limitation) attorneys’ fees, that arise from or result from the unlicensed use of the Software on a professional or commercial basis.
Online Terms of Service
https://turbotax.intuit.com/corp/license/online.jsp
See Section B Additional Terms
1.3 No Professional Use.You may not use the Services to prepare tax returns, schedules or worksheets on a professional or commercial basis (i.e., for a preparer's or other fee or consideration).
