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My understanding is this contribution will be detailed on Form 5498 but not required to submit with tax return as the transaction is reported to the IRS by the bank and or broker.
The contribution is either deductible and includible on 2023 Schedule 1 line 20, nondeductible and required to be present on 2023 Form 8606, or an excess contribution required to be present on 2023 Form 5329. So it should be somewhere on your 2023 tax return unless it's a deductible contribution that you choose not to deduct (which wouldn't make much sense).
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