At the latest, you also must receive information, before you become obligated on the account, about any limitations on how much and how often your rate may change. Knowing whether a card gives you a free period is especially important if you plan to pay your account in full each month. Without a free period, the card issuer may impose a finance charge from the date you use your card or from the date each transaction is posted to your account. If your card includes a free period, the issuer must mail your bill at least 14 days before the due date so you ll have enough time to pay. Annual Fees .
Most issuers charge annual membership or participation fees.
Transaction Fees and Other Charges. A card may include other costs. Some issuers charge a fee if you use the card to get a cash advance, make a late payment, or exceed your credit limit. Some charge a monthly fee whether or not you use the card. Balance Computation Method for the Finance Charge .