Hong Kong MPF payment - Mandatory Contribution and Voluntary Contribution

Dear HMRC, I received my Hong Kong MPF payment recently. I noticed that there are two separate entries in my MPF final statement (Mandatory and Voluntary Contribution). I understand that I do not have to declare to HMRC my mandatory MPF which is derived from previous employment and is exempted from UK Tax (please correct me if I am wrong). How about the Voluntary contribution ? Do I need to report to HMRC amount received? And where to fill in my self assessment? Appreciate your guidance and help. Cheers

Hi,
You can see guidance here:
Claiming tax relief on your contributions to overseas pension schemes
Thank you.