When the Water Resources (Control of Agricultural Pollution) (Wales) Regulations 2021 (CoAP Regulations) were introduced, a requirement to review their effectiveness was included.
Pan gyflwynwyd Rheoliadau Adnoddau Dŵr (Rheoli Llygredd Amaethyddol) (Cymru) 2021 (Rheoliadau CoAP), roeddent yn cynnwys gofyniad i adolygu eu heffeithiolrwydd.