| (1) | All special officers of the Special Constabulary for so long as they are attached to the Aftercare Unit of the Special Constabulary; [S 187/76 — 17.9.76] |
| (2) | All Guard Commanders, Battalion Orderly Sergeants and Duty Officers of the Singapore Armed Forces while on duty; |
| (3) | All officers of the Central Narcotics Bureau appointed under section 3 of the Act (Cap. 185); |
| (4) | All police officers and members of the Vigilante Corps and the Special Constabulary attached to the Anti-Drug Units of all Police Divisions; [S 4/78 — 1.1.78] |
| (5) | All police officers and members of the Special Constabulary attached to the Supervision Division of the Central Narcotics Bureau; [S 15/79 — 1.7.78] |
| (6) | All police officers attached to the Police National Service (Full-time) Command Drug Supervision Unit; [S 46/79 — 13.2.79] |
| (7) | All members of the Vigilante Corps attached to the Supervision Division of the Central Narcotics Bureau; and [S 248/79 — 1.11.79] |
| (8) | Every person on the staff of the Singapore Armed Forces Counselling Centre. [S 253/82 — 28.8.82] |