As part of those strategic plans, local authorities are required to set out their arrangements with regard to their provision for latecomers to Welsh medium education.
Fel rhan o'r cynlluniau strategol hynny, mae'n ofynnol i awdurdodau lleol nodi eu trefniadau o ran eu darpariaeth ar gyfer hwyrddyfodiaid i addysg cyfrwng Cymraeg.