This also extends to decisions made in partnership with other councils, or in collaboration with other bodies such as local health boards or other public service organisations.
Mae hyn hefyd yn ymestyn i benderfyniadau a wneir mewn partneriaeth â chynghorau eraill, neu mewn cydweithrediad â chyrff eraill fel byrddau iechyd lleol neu sefydliadau gwasanaeth cyhoeddus eraill.