If you know the business doesn't have any foreign income for 2022 or that it has not had any in the past, you can file with reasonable assurance that you won't have to amend. If you want to file for an extension and wait for the K-3 to arrive, you can always make a payment to the IRS based on what you know now and alter the amount when you file the return by listing the additional payment made by 4/18/23. Making this tax payment would alleviate most if not all of any interest you would owe.
[Edited 3/31/23 | 7:11AM PDT]
@hybridtaxguy
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