jasjas1973
The EU rules were changed in 2015 on min rates, ROI zero rated sanitary products before this date, an option the UK could have done at any time between 1973 and 2015.
Not 2015 - Commons Library;
This note discusses the way sanitary protection is charged VAT - more specifically, the Labour Government’s decision, announced in the March 2000 Budget, to introduce a 5% rate on sanitary protection, the lowest rate then permissible due to EU VAT rules, and the current Government’s announcement in the 2020 Budget that a zero rate will apply from 1 January 2021. ...
There has been a long-running campaign against any VAT being charged on sanitary protection–the so-called ‘tampon tax’ ...
Although the current EU agreement on VAT rates allows Member States, should they choose, to charge a reduced rate of VAT– between 5% and 15%–on certain specified supplies, including sanitary protection, the introduction of a new zero rate would contravene these rules.
In October 2015 the Government confirmed it would seek a change in EU law to allow sanitary protection to be zero-rated, as part of a forthcoming review of EU VAT by the European Commission...
commonslibrary.parliament.uk/research-briefings/sn01128/
EU rules change in 2022, so the UK has saved a years worth of VAT.
I think it's 2022 'at the earliest' - the EU had put off agreeing a timescale. Ideally we would have left the EU in 2018/2019 and not dragged it out so much.