There is established in Saint Lucia a supplemental body of police styled “Special Reserve Police” (hereinafter called “Special Reserve”) which may be called out for service by the Commissioner of Police—
(a) in any case of actual or threatened internal disturbance or external aggression;
(b) in any case where additional police are required for the preservation of good order; and
(c) for the purposes of drill and training for a period not exceeding 14 days in any one year.