New legislation in March:

 - The Planning (Wales) Act 2015 (Commencement No. 3 and Transitional Provisions) Order 2016 / Gorchymyn Deddf Cynllunio (Cymru) 2015 (Cychwyn Rhif 3 a Darpariaethau Trosiannol) 2016

 - The Conservation of Salmon (Scotland) Regulations 2016

- The Planning (Listed Buildings and Conservation Areas) (Wales) (Amendment) Regulations 2016

- The Producer Responsibility Obligations (Packaging Waste) (Miscellaneous Amendments) Regulations 2016

- The Producer Responsibility Obligations (Packaging Waste) (Amendment) Regulations (Northern Ireland) 2016

- The Planning (Listed Buildings and Conservation Areas) (Wales) (Amendment) Regulations 2016 / Rheoliadau Cynllunio (Adeiladau Rhestredig ac Ardaloedd Cadwraeth) (Cymru) (Diwygio) 2016

- The Renewable Heat Incentive Scheme and Domestic Renewable Heat Incentive Scheme (Amendment) Regulations 2016

 - The Explosives Regulations 2014 (Amendment) Regulations 2016

- The Hazardous Waste (England and Wales) (Amendment) Regulations 2016

- The Renewables Obligation (Amendment) Order (Northern Ireland) 2016

- The Health and Safety and Nuclear (Fees) Regulations 2016

- The Energy Performance of Buildings (England and Wales) (Amendment) Regulations 2016

- Commission Regulation (EU) 2016/217 amending Annex XVII to Regulation (EC) No 1907/2006 of the European Parliament and of the Council concerning the Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH) as regards cadmium

- The Construction (Design and Management) Regulations (Northern Ireland) 2016

- The Unauthorised Deposit of Waste (Fixed Penalties) Regulations 2016

- Air Quality (Diesel Emissions in Urban Centres)

- The Planning (Hazardous Substances) (No.2) (Amendment) Regulations (Northern Ireland) 2016

- The Town and Country Planning (General Permitted Development) (Scotland) Amendment Order 2016

- The Landfill Tax (Amendment) Regulations 2016

- The Town and Country Planning (General Permitted Development) (England) (Amendment) Order 2016

- The Pollution Prevention and Control (Designation of Waste Directive) (England and Wales) Order 2016

- The Waste (Amendment) Regulations (Northern Ireland) 2016

- The Building Regulations &c. (Amendment) Regulations 2016

- Clean Neighbourhoods and Environment (Amendment)

- The Town and Country Planning (Development Management Procedure) (Wales) (Amendment) Order 2016 / Gorchymyn Cynllunio Gwlad a Thref (Gweithdrefn Rheoli Datblygu) (Cymru) (Diwygio) 2016

- The Town and Country Planning (Environmental Impact Assessment) (Wales) Regulations 2016 / Rheoliadau Cynllunio Gwlad a Thref (Asesu Effeithiau Amgylcheddol) (Cymru) 2016

- The Planning (Listed Buildings) (Amendment) Regulations (Northern Ireland) 2016

- The Planning (General Development Procedure) (Amendment) Order (Northern Ireland) 2016

- The Water Resources (Control of Pollution) (Oil Storage) (Wales) Regulations 2016 / Rheoliadau Adnoddau Dŵr (Rheoli Llygredd) (Storio Olew) (Cymru) 2016

- The Air Quality (Scotland) Amendment Regulations 2016

- The Renewables Obligation Closure Order (Northern Ireland) 2016

- The Waste Management Licensing (Amendment) Regulations (Northern Ireland) 2016

- Environment (Wales) Act 2016