Form 1116 Part II foreign taxes date?

Use 12/31/2020 for the date.

If the date does not how on your K-1, you would need to enter the end date of 12/31/2020 on one of the screens while you go through the Foreign Tax Credit section.   Here are the steps:

 

You will have to enter your Schedule K-1 first:

 

In TurboTax online,

• Sign into your tax return, select Pick up where you left off
• To the right upper corner, in the search box, type in "k1" and Enter
• Select Jump to k1
• Follow prompts

Then go through the "Foreign Tax Credit" section.  Follow here: 

 

In TurboTax online,

• Open up your TurboTax account and select Pick up where you left off
• At the right upper corner, in the search box, type in "foreign tax credit" and Enter
• Select Jump to foreign tax credit
• Follow prompts
• On screen, "Foreign Taxes Paid", under Date taxes paid or Accrued, enter 12/31/2020
• The date should be transferred to the worksheet.
• See image below

 

If you have paid taxes to both foreign and the US tax authorities, the IRS allows you to claim a foreign tax credit on your US tax return.  To claim this foreign tax credit, you would need to file a Form 1116 Foreign Tax Credit.  The amount would be shown on Schedule 3 line 1 and line 20 on Form 1040.