If Invoice Number prompting is enabled, the terminal prompts you for an Invoice ID on credit and debit transactions.
1. The "Invoice Id:" prompt appears on the terminal.
2. Key in an alphanumeric Invoice ID up to 10 characters long and press the green OK key to continue the transaction.
OR
Press the green OK key to bypass the prompt.
Note: If prompted for an Invoice Number during a Corporate Card Purchase transaction, you must key in a number with a maximum of 7 characters.
To configure Invoice Number Prompting, see Configuring Invoice Number Prompting.