did you read all of the transmittal letter that came with the K-1
maybe something like this
Beginning in tax year 2021, the Partnership will report items of international tax relevance to our partners on new Schedule K-3. As we disclose in our quarterly distribution press releases, all of our income is effectively connected with a United States trade or business. However, a limited number of unitholders (primarily foreign unitholders, unitholders computing a foreign tax credit on their tax return and certain corporate and/or partnership unitholders) may need the detailed information disclosed on Schedule K-3 for their specific reporting requirements.
so unless you fall into one of these categories
primarily foreign unitholders, unitholders computing a foreign tax credit (there's an amount on line 21)of the K-1) and certain corporate and/or partnership unitholders you'll be wasting your time waiting for the k-3 because there will be nothing to report.
