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…

Is there any way to set a default expense (purchase) or default income (sales) ledger account for an individual cost code. I would like it so that when I select a cost code on a line within a PO,CO, AR invoice, etc. the account is auto populated with…