This field initially defaults from the CM Account field in the AP Vendors form (Info tab). If the CM Account field in the AP Vendors form is blank, the system uses the number from the CM Account field in the AP Company Parameters form (Subledgers tab).
If you are paying this vendor by credit card, this field will default from the CM Acct # field in the AP Company Parameters form (Payment Services tab).
You can enter a new account in this field as necessary. You can also override this account number in AP Transaction Entry once you add the invoice to an expense batch in the AP Recurring Invoice Posting form.
If you have specified a credit service CM account in the AP Company Parameters form, and you are paying this vendor with a different method (either check or EFT), the system will display a warning if you enter the credit service CM account. You will be allowed to save the record, however.