Transfering Advance from Special GL to Normal Items (Use t-code F-54)
Step 1) Give Document date, Type, Company code, Vendor account and Text
Select the Process down Payments button
Step 2) Enter amount manually under the Transfer Posting column
Select the Process down Payments button
Step 1) Give Vendor account number and Company code
Select Open Items radio button
Select Special GL transaction check box
Execute
Step 2) Select the back arrow
Select Open Items radio button
Select Normal Items check box
Execute