Sage Construction & Real Estate

I am trying to figure out how to make the Phase field in AR for Invoice Distributions functioning since clearly when setup originally that was not completed. I understand that this has to be done in GL > File > Company Settings > Custom Descriptions…

I am using Sage 300 CRE. I have a few employees that are capable of changing a job from In Progress to Closed. No one fesses up when a job is mysteriously closed when it should not have been. It is becoming a hassle to change jobs back to In Progress…