K-1 Box 20 e and z code

My K-1 for a residential rental property shows 3 codes in box 20.  I don't understand why it is showing 2 of those codes - E and Z.  After both the E and Z code, there is no amount, just the letters "STMT".  I can't find corresponding numbers to these code and when I go to enter my K-1 info into my personal tax return, it requires some numbers to be entered.  I'm confused.

Reported like this in box 20:

E STMT

N $4,302

Z STMT