In the INVOICE field group, the Invoice account field represents the account used in the invoicing process. The default invoice account is the customer code, but Microsoft Dynamics 365 for Finance and Operations gives flexibility to point invoice posting to another customer. Assume that the company sends goods to two different customers, then the invoice will be issued to one particular customer out of the two.
The relationship between the customer code and the invoice account, where the customer invoice could be linked to one customer code or multiple customer codes, is shown in the following diagram:
