prescribed

definition: set down as a rule or guide
example:
speech part: adjective
synonyms:
definition: formally laid down or imposed
example:
speech part: adjective
synonyms: positive
definition: conforming to set usage, procedure, or discipline
example: in prescribed order
speech part: adjective
synonyms: official
definition: fixed or established especially by order or command
example:
speech part: adjective
synonyms: ordained

How prescribed is being used?