There is detailed and complex law which requires some decisions to be made by the full council and these decisions cannot be delegated to the executive.
Ceir cyfraith fanwl a chymhleth sy’n ei gwneud yn ofynnol bod rhai penderfyniadau’n cael eu gwneud gan y cyngor llawn ac na ellir dirprwyo’r penderfyniadau hyn i’r weithrediaeth.