http://www.bbc.co.uk/news/business-37318538
Implementation still planned for June 2017, but with no concrete plans we can expect the providers to push back when plans are announced saying they can't get them done in time.
Thanks ... reading it though it seems more about the implementation ... and setting limits of time i.e. less than 30 days in a row and not more than 90 days in a year.
That make more sense as you could buy a SIM from a carrier in a country that was cheaper that the ones in your country of residence.
but I know for a fact that carriers are ramping up for the April date