New credit card in Guarantee not being used

Q: I put a new card in Customer's Guarantee Info, why is it using their old one?

A: It can't tell when you changed the credit card guarantee info.  It looks at the "Guarantee info" on the Customer record last, because that's usually the first credit card ever used for the customer.  The Transactions (payments) are assumed to be the most recent activity on the account, so it always checks those first, followed by the Guarantee Info on the Reservation (since that's specific to this reservation), and finally the Guarantee Info on the Customer.

If you want to override any previous credit card info so it uses a new card entered, you need to first use the "Remove a customer's c.c. info" function, then put in the new card information.  See details here:

http://campgroundmaster.com/help/removeacustomerscreditcar.html