...What went wrong with tax credits Serious problems with the introduction of computer systems in 2003 to support tax creditsdelayed HMRC's processing of claims and led to incorrect payments being made to claimants. HM Revenue and Customs estimated...
http://www.computerweekly.com/blogs/tony_collins/2008/09/post-7.html
...When on your order details page, it will link your order to various transaction types that you choose, such as Credits, Delayed Captures, Voids, and Voice Authorizations. Simply put, you put this on the order details page in your back...
http://www.shorecomp.com/products/payflowpro-mx/doc/ultradev/navbar.asp