U.S. Bancorp Credit Card Complaint

U.S. Bancorp Credit card department,

Other fee California

The credit card charged an annual fee and reported me 30 days late on the bureau they never notified me in writing or otherwise. The account had a - balance. I never been late with them. My credit report was affected over a fee they charge and never notified me. Is this legal can the y affect my credit over a fee they charge.