Although the FpML standard took a leap forward in terms of information complexity, the bank had confidence in Transformer, as it had already successfully used Transformer in a large number of projects including SWIFT standards, Euroclear UK & Ireland`s CREST system, TRAX, FIX and other simpler standards. So the bank decided to use Transformer for all stages of the aforementioned workflow. Compliance with new financial rules has resulted in new processes and systems being superpossed to the existing infrastructure. With a number of new links in the chain – e-commerce, clearing, reporting, margining – derivatives transactions have become increasingly complex and unwieldy. .