The Landfill Disposals Tax (Tax Rates) (Wales) Regulations 2018.  Comes into force 1st April. Sets the first standard rate, lower rate and unauthorised disposals rate for landfill disposals tax.

The Ionising Radiation (Medical Exposure) (Amendment) Regulations 2018.  Comes into force 2nd February. These Regulations amend the Ionising Radiation (Medical Exposure) Regulations 2017 (SI 2017/1322). In order to give full effect to the policy intention and to correct errors in the 2017 Regulations.

The Ionising Radiation (Medical Exposure) Regulations (Northern Ireland) 2018. Comes into force 6th February. These Regulations implement, as respects Northern Ireland, some of the provisions of Council Directive 2013/59/Euratom laying down basic safety standards for protection against the dangers from exposure to ionising radiation.

 The National Emission Ceilings Regulations 2018. Comes into force 1st July. These Regulations implement in the United Kingdom Directive 2016/2284/EU of the European Parliament and the Council relating to national emission ceilings for certain atmospheric pollutants. This Directive implements at the EU level obligations under the United Nations Economic Commission for Europe 1979 Convention on Long-Range Transboundary Air Pollution and its 1999 Protocol to Abate Acidification, Eutrophication and Ground-level Ozone, which was revised in 2012.