There has been progress in this case which will be of interest to those who chose PPF and may have wider implications.
The attached address is to an article which explains but it is unclear what the full implications might be once the courts finally conclude.
https://www.monckton.com/eu-advocate-general-concludes-that-uk-pension-protection-rules-are-contrary-to-eu-law/
A ruling on this case was made last week.
http://www.pensions-expert.com/DB-Derisking/PPF-must-not-cut-pensions-by-more-than-half-EU-court-rules?ct=true