Derivatives trade body Isda and data vendor Markit have opened up their electronic swap documentation platform to buyside firms, as dealers and clients gear up for a mass of rule changes.

Isda Amend - an electronic system that assists with making changes to the legal wording of swaps contracts - already exist as a paid resource for firms on the sellside. Several banks, including major swap dealers Citigroup, JP Morgan and Deutsche Bank, have confirmed that they are ready to use the technology.