I agree that this is a twisted mess, but you will be able to take the pre August 16th credit.
Purchase date vs. delivery date
If you entered a written binding contract to buy a vehicle after December 31, 2021, and before August 16, 2022, but took delivery on or after August 16, 2022, you may elect to claim the credit based on the prior rules. To elect the credit under the prior rules you must elect the credit on your 2022 tax return after you take delivery of the vehicle. Depending on the date the vehicle is delivered, you can claim the credit on your original, superseding, or amended 2022 tax return.
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