def build_shipping_address(soap, options)
        if options[:shipping_address]
          options[:shipping_address][:first_name], options[:shipping_address][:last_name] = split_names(options[:shipping_address][:name]) if options[:shipping_address][:name]
          soap.ShippingAddress 'xsi:type' => 'ns1:Address' do
            ADDRESS_OPTIONS.each do |k, v|