the headteacher or acting headteacher of the federation if one is appointed, or where no such appointment has been made, the headteacher or acting headteacher of each school in the federation
pennaeth neu bennaeth dros dro y ffederasiwn os penodwyd un, neu os na wnaed penodiad o'r fath, pennaeth neu bennaeth dros dro pob ysgol yn y ffederasiwn