prescribed

adjectives

set down as a rule or guide
prescribed
is similar to
not subject to individual determination
nonarbitrary, unarbitrary
fixed or established especially by order or command
"at the time appointed (or the appointed time")
appointed, decreed, ordained, prescribed
conforming to set usage, procedure, or discipline
"in prescribed order"
official, prescribed
formally laid down or imposed
"positive laws"
positive, prescribed