To stop increased fraudulent credit card activity, additional security measures have been implemented. Unfortunately, this has caused some legitimate credit card transactions to be declined. Our staff is here to help! If you experience a declined credit card transaction, please contact us by emailing tickets@ctgla.org and we will respond within 24 hours. You may also call us at 213.972.4400 and we will be able to assist you during our hours of operation. LEARN MORE.