Are you confusing the 8812 for the child tax credit with the 8912 ?
Line 10b
Enter the total allowable credit, if any, from your tax return as
follows.
Individuals. Enter the amount from Form 1040, 1040-SR, or
1040-NR, line 19; and Schedule 3 (Form 1040), lines 2 through 5
and 7. Don't include any general business credit claimed on
Form 3800, any prior year minimum tax, or any credit claimed on
Form 8912, Credit to Holders of Tax Credit Bonds.
https://www.irs.gov/pub/irs-dft/i3800--dft.pdf
Form 8912 : https://www.irs.gov/pub/irs-access/f8912_accessible.pdf
