Spend controls can be changed at any time, and the changes will immediately be enforced.
Step 1: Go to the Cards menu, select the card you want to manage and click on Edit Card.
Step 2: Edit the limit type and amount.
Step 3: Edit the geographical regions where the card can be used, by selecting a Merchant Country Restriction from the dropdown.
Know more about Merchant Countries Restrictions and the options available here.
Step 4: Enable Category Controls, select if you want to Allow only or Block categories, and click on the desired categories. Know more here.
Step 5: Enable Per transaction limit and enter an amount.
Step 6: Hit Save changes.