Follow the outlined steps in order.
Determine if you’re out of balance before following the steps below.
Post entries for Accounts Receivable and General Ledger.
Check for entries originated in an application other than Accounts Receivable, Billings, or Service Management.
Correct any overbilled retainage.
Correct entries posted to the wrong account.
How can I see all unapplied cash receipts in Accounts Receivable?
How can I print an Accounts Receivable Aging or Statement report by GL Prefix?