Section 11. Supervision of the Philippine Constabulary. —

Upon approval of this Act, the Philippine Constabulary shall exercise general supervision over the operation of all private detective and watchman or security guard agencies.

In case of emergency or in times of disasters or calamities, the Chief of Constabulary may deputize any private detective, watchman or security guard as herein defined to assist the Philippine Constabulary in the performance of Constabulary duties for the duration of such emergency, disaster or calamity.