Opinion of Advocate General Tanchev delivered on 28 March 2019.#Safeway Ltd v Andrew Richard Newton and Safeway Pension Trustees Ltd.#Request for a preliminary ruling from the Court of Appeal (England & Wales) (Civil Division).#Reference for a preliminary ruling — Social policy — Article 119 of the EC Treaty (now, after amendment, Article 141 EC) — Male and female workers — Equal pay — Private occupational retirement pension scheme — Normal pension age differentiated by gender — Date of adoption of measures reinstating equal treatment — Retroactive equalisation of that age to the normal pension age of the persons previously disadvantaged.#Case C-171/18.