This is from the IRS website. Not sure if posted here before. Bottom line is you need to take delivery before the end of the year to qualify assuming you entered into a biding contract already before the new law was passed.
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.
Vehicles Purchased and Delivered between August 16, 2022 and December 31, 2022
If you purchase and take possession of a qualifying electric vehicle after August 16, 2022 and before January 1, 2023, aside from the final assembly requirement, the rules in effect before the enactment of the Inflation Reduction Act for the EV credit apply (including those involving the manufacturing caps on vehicles sold). If you entered into a written binding contract to purchase a new qualifying vehicle before August 16, 2022, see the rule above.