ESMA, EBA and EIOPA have updated their consultation on the detailed rules for the introduction of initial and variation margin for uncleared OTC derivatives.  The most significant change is that their restriction on a single issuer making up more than 50% of the collateral supplied will now only apply to G-SIIs, O-SIIs and where the value of the collateral exceeds €1 billion.  Here is a short paper describing the changes.