Credible and relevant expert opinions, data from reputable sources, and well-documented research studies give an opinion authority on a subject. Strong evidence that is backed by expertise, facts, and thorough research can enhance the credibility and persuasiveness of an opinion.
A critic is a person who knows about the subject in question and gives their opinion on it
In Victoria (Aust) a warrant as approved by the minister has to be produced at the swearing in
In a democracy authority comes from the people.
The Parliament does
Authority can be given to someone by position (as in a job title or promotion) or it can be assumed by a person's attitude and knowledge on a subject. For example, if 15 random people were stranded on a desert island, a person with experience or knowledge of survival skills would probably be seen as an authority.
Adjudication means to give power, right, or authority.
Expert opinion is when in a professional field gives his/her opinion about a certain product.
Rights
What government gives the supreme authority to the states
What government gives the supreme authority to the states
What government gives the supreme authority to the states
What government gives the supreme authority to the states