A computer-implemented method for modifying control parameters associated with a financial product that is linked to an account. The method includes receiving updated control parameters for the financial product, where the account provides financial backing for the financial product, and the updated control parameters define updated use restrictions for the financial product; and modifying the control parameters associated with the financial product to reflect the updated control parameters, where the financial product is configured to be used for one or more payment transactions in accordance with the updated use restrictions.