What form describes billing as either an invoice or cash sale based on billing terms or payment method?

The appropriate form that describes billing as either an invoice or cash sale based on billing terms or payment method is the Standard Sales Order. This form is designed to capture a customer's order details, allowing organizations to manage and process sales efficiently.

When a Standard Sales Order is created, billing terms play a crucial role in determining the payment method. If the sales order is linked to billing terms that dictate invoicing, it results in an invoice being generated. Conversely, if the payment method is immediate or attempts a cash sale, it leads to the creation of a cash sale instead of an invoice. This dual capability of handling both invoicing and cash sales based on the terms ensures flexibility in transactions and aligns with various business models.

This versatility makes the Standard Sales Order a fundamental element in tracking sales processes throughout the company, ensuring that billing is tailored to meet specific customer arrangements. While the other options may relate to specific types of transactions, they do not provide the same breadth of functionality in determining billing by terms or payment method as the Standard Sales Order does.