Since we have a contract to purchase the car as we ordered it in May, and we already traded in a car worth $29,000 which they sold a couple weeks later, I don't see any possibility of the government (as flaky as they are) insisting our contract wasn't binding. It's pretty hard to imagine anyone arguing that the dealer would have given us back $29,500.00 (including a cash deposit) if we happened to change our minds. Meanwhile we found this on the IRS site -- seems pretty clear:
Transition Rule for Vehicles Purchased before August 16, 2022
If you entered into a written binding contract to purchase a new qualifying electric vehicle before August 16, 2022, but do not take possession of the vehicle until on or after August 16, 2022 (for example, because the vehicle has not been delivered), you may claim the EV credit based on the rules that were in effect before August 16, 2022. The final assembly requirement does not apply before August 16, 2022.
What Is a Written Binding Contract?
In general, a written contract is binding if it is enforceable under State law and does not limit damages to a specified amount (for example, by use of a liquidated damages provision or the forfeiture of a deposit). While the enforceability of a contract under State law is a facts-and-circumstances determination to be made under relevant State law, if a customer has made a significant non-refundable deposit or down payment, it is an indication of a binding contract. For tax purposes in general, a contract provision that limits damages to an amount equal to at least 5 percent of the total contract price is not treated as limiting damages to a specified amount. For example, if a customer has made a non-refundable deposit or down payment of 5 percent of the total contract price, it is an indication of a binding contract. A contract is binding even if subject to a condition, as long as the condition is not within the control of either party. A contract will continue to be binding if the parties make insubstantial changes in its terms and conditions.