Pay an Invoice Via Credit Card Union Credit Card Payment Pay via Credit Card Department or Company Name * Invoice Amount * $ Please input the total amount for all the reservations or invoices you are paying for. Invoice Number(s) * Please list the invoice number you received from the Union. For multiple invoices please list each number on a separate line. Event Number(s) If this invoice was for an event, please list the event number you received from the Union. For multiple events please list each number on a separate line. Captcha Billing Information -> (Opens in a new tab) Δ