Shopify/active_shipping — pull request #48 by timmyc (2012-05-30 22:11:47+00:00)
Title: UPS Negotiated Rates

Here is some logic and tests to support negotiated rates in UPS. To test remote negotiated rates, you need to add the `origin_account` attribute to your ~/.active_merchant/fixtures.yml file for UPS. Test support added to handle scenarios with and without the origin_account attribute.