Credit balance
From ACT Wiki
1.
Financial accounting. This is either a liability or capital within the balance sheet, or revenue within the profit and loss account (or income statement).
2.
Banking. In banking a credit balance - in the bank's records - is one which stands in favour of the customer. The bank owes money to the customer.
(Contrasted with a debit balance in the bank's records. Being a balance standing in favour of the bank.)