You're required to report international tax relevance on Schedules K-2 and K-3 if you file Form 1065, which isn't scheduled to be available until March 20, 2022.
Here is a thread with additional information discussing why most K-2 and K-3 forms will not need to be filed when preparing 2021 tax returns.
[Edited 3/19/2022 9:45 PST]
@rolahr
