set down as a rule or guide

formally laid down or imposed; "positive laws"

by the regulations. To change anything "prescribed" (e.g. forms, fees, rules, processes, etc.) you must change the regulation by an order-in-council.

means prescribed by regulations made under the Act.

fixed or established especially by order or command; "at the time appointed (or the appointed time")

conforming to set usage, procedure, or discipline; "in prescribed order"

Directed or ordered to do a specific task.

set forth with authority