first_name, last_name = split_names(billing_address[:name])
          add_pair(post, :BillingSurname, truncate(last_name, 20))
          add_pair(post, :BillingFirstnames, truncate(first_name, 20))
          add_pair(post, :BillingAddress1, truncate(billing_address[:address1], 100))
          add_pair(post, :BillingAddress2, truncate(billing_address[:address2], 100))