How to update GL Reference Fields for GB

Would like to change info that appears in G/L reference fields. 

• EERP
• General Ledger
• General Revenues
• General Billing

Informational 

Program has pre-defined fields that it pulls from, for reference fields on the GL. These cannot be manually updated, and vary depending on the journal type and bill category. 

There are 4 Reference Fields that appear on the Journals. The journal type (CRP, GBI, etc.) determines the content in these respective fields. 

Invoices (GBI):

Reference 1=Not used by GBI

Reference 2=Customer #

Reference 3=Invoice #

Reference 4=Batch #

Payments (CRP):

Reference 1=Department

Reference 2=Receipt #

Reference 3=Not used by CRP

Reference 4=Type (Cash Receipt)