Datganiad Ysgrifenedig: Gweithredu’r gofynion di-fwg ym Mhennod 1 o Ran 3 o Ddeddf Iechyd y Cyhoedd (Cymru) 2017 a Rheoliadau Mangreoedd a Cherbydau Di-fwg 2020
Written Statement: Implementing the Smoke-free requirements in Chapter 1 of Part 3 of the Public Health (Wales) Act 2017 and the Smoke-free Premises and Vehicles Regulations 2020