Gan fod y cyfrifoldeb am faterion etholiadol sy'n ymwneud ag etholiadau llywodraeth leol yng Nghymru ac etholiadau'r Senedd bellach wedi ei ddatganoli, bu'n rhaid cyflwyno deddfwriaeth ym mhob un o'r tair gweinyddiaeth er mwyn diwygio'r canfasiad. Mae Llywodraeth y DU eisoes wedi gwneud hynny drwy gyflwynoRheoliadau Cynrychiolaeth y Bobl (Canfasiad Blynyddol) (Diwygio) 2019a wnaed ar 4 Tachwedd 2019.
As responsibility for electoral matters relating to local government elections in Wales and Senedd elections has now been devolved, in order to reform the canvass it has been necessary to introduce legislation in each of the three administrations. The UK Government has already done this through the introduction ofThe Representation of the People (Annual Canvass) (Amendment) Regulations 2019which were made on the 4th November 2019.