As stipulated in the Misuse of Drugs Act, under what circumstances can the Director of CNB, Singapore

Question 1.2

As stipulated in the Misuse of Drugs Act, under what circumstances can the Director of CNB make an order in writing to require a person to undergo treatment or rehabilitation or both at an approved institution?

1. The person is certified by a medical doctor as showing drug withdrawal symptoms when he undergoes medical examination or observation.
2. One of the urine specimens procured from the person is tested positive for a controlled drug under section 31(4)(b).
3. Both urine specimens procured from the person being tested positive for a controlled drug under section 31(4)(b).
4. The hair specimen procured from the person is tested positive for a controlled drug under section 31A.
5. 1 or 2
6. 2 or 3
7. 1 or 3
8. 2 or 4
9. 3 or 4