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A bill is a draft law.

Bills may be introduced into the Senedd by: 

  • Welsh Government
  • Members of the Senedd
  • Senedd committees
  • the Senedd Commission

Senedd Cymru

Once a bill is introduced into the Senedd it undergoes scrutiny. This is generally a 4 stage process:

  • Stage 1 – consideration and agreement of the general principles of the bill
  • Stage 2 – detailed consideration of the bill and any changes by a committee
  • Stage 3 – detailed consideration of the bill and any changes by the Senedd
  • Report stage – an optional stage to make changes (if required)
  • Stage 4 – a vote by the Senedd to pass the final text of the bill.

Further information on the Senedd’s scrutiny process is available in the Senedd’s guide to the legislative process.

Bills introduced into the Senedd

Details of the Welsh Government bills introduced for consideration by the Senedd.

Elections and Elected Bodies (Wales) Bill

Senedd Cymru (Members and Elections) Bill

Infrastructure (Wales) Bill

Health Service Procurement (Wales) Bill

Local Government Finance (Wales) Bill

Acts of Senedd Cymru

Once Royal Assent is given, a bill becomes an act of Senedd Cymru. The act may include powers for the Welsh Ministers to make subordinate legislation (for example, regulations and orders) to give further details of how the law is to be applied.

The Environment (Air Quality and Soundscapes) (Wales) Act 2024

Agriculture (Wales) Act 2023

Historic Environment (Wales) Act 2023

The Environmental Protection (Single-use Plastic Products) (Wales) Act 2023

Social Partnership and Public Procurement (Wales) Act 2023

Tertiary Education and Research (Wales) Act 2022

Welsh Tax Acts etc. (Power to Modify) Act 2022