For each tax year 8606, you indicate the amount you are designating nondeductible for that tax year, so you will include for 2023 the amounts you made in 2024.
Yes, you are required to keep your own records for the 8606 and make sure that they match up with the 5498 and 8606s as filed.
**Say "Thanks" by clicking the thumb icon in a post
**Mark the post that answers your question by clicking on "Mark as Best Answer"
