The period specified
in an inpatient treatment order as the period for which the involuntary
inpatient can be detained under the order cannot exceed —
(a) if,
when the order is made, the involuntary inpatient is an adult — 21 days
from the day on which the order is made; or
(b) if,
when the order is made, the involuntary inpatient is a child — 14 days
from the day on which the order is made.