Transfer Balance from Customer account to Vendor account in Dynamics AX

Step1: Create an INVOICE Journal (or you can use a General Journal).  Click Lines.

Enter the AMOUNT to (DEBIT or CREDIT) the Vendor account.   Offset the Posting to the related CUSTOMER ACCOUNT.  Enter the proper POSTING date.

POST THE ENTRY.

Step2: On the Vendor Account "SETTLE" the Outstanding DEBIT/CREDIT amounts through OPEN TRANSACTION EDITING.

Step3: On the CUSTOMER Account the amount is now open, and posted to the AR Account.