Federal solar energy credit received 2016 on full price of installation. Cash back incentive received from solar company 2017. How do I report it?

[PaulaM · Accepted solution]

Receiving the cash back incentive on a credit already reported would require an amendment of your 2016 tax return. 

The costs that were entered on line 1 or 2 of the Form 5695 of the credit would be reduced by the amount of cash back incentive, and the credit refigured.

https://ttlc.intuit.com/questions/1894381-how-to-amend-change-or-correct-a-return-you-already-filed