Section 6418 applies to several key energy credits, including:

under Section 48 Transferable Energy Tax Credits Under IRC § 6418.

under Section 45V IRC Section 6418 FAQ: Transferring Energy Tax Credits. Compliance and Deadlines

Briefing: IRC Section 6418 - Transfer of Clean Energy Tax Credits

: Developers (transferors) can convert credits into immediate cash if they lack the tax liability to use them internally Transferable Energy Tax Credits Under IRC § 6418 .

: All payments for transferred credits must be made in cash .

: If a transferred credit is found to be excessive, the buyer (transferee) is generally liable for a penalty equal to 20% of the excessive amount unless "reasonable cause" is shown.

: Once an election to transfer is made, it is irrevocable.