What do I put un the advance payment amounts if we received them jointly?

[Affordabletaxes2021]

Put the amount you received based on letter from IRS. Don’t guess it may cost you review time. 

[Bsch4477]

You will receive a letter from the IRS with the amounts to report. 

[Critter-3]

TurboTax will compute the full amount of the Child Tax Credit if you enter a dependent in your tax return and the dependent qualifies as a qualifying child.

In January 2022, the IRS will send you Letter 6419 to provide the total amount of Advance Child Tax Credit payments that were disbursed to you during 2021.  You and your spouse will each receive your own letter with the total you each received.

The amount of Advance Child Tax Credit payments will be entered at the screen Tell us about any Advance Child Tax Credits.

TurboTax software will compare the credit, deduct the advance payments and post a Child Tax Credit on line 28 of the Federal 1040.

You may view the entry on the Federal 1040 under Tax Tools / Tools / View Tax Summary / Preview my 1040.

You may view the completed Federal 8812 Tax tools / Print Center.

See also this TurboTax Help.