Councils must also prepare and publish a guide to the constitution (s45, Local Government and Elections (Wales) Act 2021, amending s37, Local Government Action 2000).
Rhaid i gynghorau hefyd baratoi a chyhoeddi canllaw i’r cyfansoddiad (a45, Deddf Llywodraeth Leol ac Etholiadau (Cymru) 2021, gan ddiwygio a37, Deddf Llywodraeth Leol 2000).