2023 Partners Instructions for K-1 (1065), page 31, states:
Code ZZ
Other
Any other information you may need to file your return not shown elsewhere on Schedule K-1.
The preparer of the partnership information should be able to provide information relating to the Code ZZ entries.
**Say "Thanks" by clicking the thumb icon in a post
**Mark the post that answers your question by clicking on "Mark as Best Answer"