The Regulations will initially be piloted across a small number of local authorities to determine how effective they are in identifying children not known to the local authority.
Bydd y Rheoliadau yn cael eu treialu i ddechrau ar draws nifer fach o awdurdodau lleol er mwyn asesu pa mor effeithiol ydynt o ran nodi plant nad ydynt yn hysbys i'r awdurdod lleol.