A reminder notice is sent either by letter to the address or sometimes by email if the household is signed up for e-billing.
Bydd cynghorau’n gwysio aelodau etholedig i’r cyfarfod yn electronig, oni bai fod aelod wedi rhoi rhybudd ysgrifenedig eu bod am i’r hysbysiad gael ei bostio neu ei ddanfon atynt gartref.