    # File lib/active_merchant/billing/gateways/usa_epay.rb, line 24
          def authorize(money, credit_card, options = {})
            post = {}

            add_amount(post, money)
            add_invoice(post, options)
            add_credit_card(post, credit_card)
            add_address(post, credit_card, options)
            add_customer_data(post, options)

            commit(:authorization, post)
          end