The order was to be made in line with the model order in force at the time, provided either in guidance (prior to 1969) or in regulations (thereafter).
Roedd y gorchymyn i'w wneud yn unol â'r gorchymyn enghreifftiol a oedd mewn grym ar y pryd, wedi'i ddarparu naill ai mewn canllawiau (cyn 1969) neu mewn rheoliadau (wedi hynny).