After you set up your AR Codes and Transaction Codes, you can enter customer transactions. For information on setting up AR Codes, see Working with AR Codes. For information on Transaction Codes, see Implementing Transaction Codes. For most Denali software users, your Accounts Receivable transactions, especially charges, will come from the Sales module, but you will probably enter most payments directly in Accounts Receivable. For other businesses, particularly those that primarily offer services, you might enter the bulk of the transactions directly in Accounts Receivable.