Depending on the source of Schedule K-1/K-3, you may be able to complete your entries now.
Schedule K-3 is primarily designed to report Foreign Activities. But if your K-3 has no entries in any column that mentions "foreign source" or "country code," you may not have foreign activities to report.
If you do uncheck the box and e-file now without the Schedule K-3 info, be sure to check back with TurboTax either after you receive your refund or June 30, 2022, to see if you can amend your return to include that info.
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