I remember reading something about this sometime back in the newspaper. I think it mentioned that anything item on the restricted list or is subsidized by the Government cannot be taken out or exported. I may be wrong, maybe you can check with the Ministry of Domestic Trade, Co-operative and Consumerism.
I found this on their site - a list of control items:-
List of Controlled Goods
Goods which have been declared as controlled goods under Control of Supplies Act 1961 and goods which have been controlled its supplies.
1. Sugar
2. Milk including condensed milk, powdered or dried milk and Evaporated milk
3. Salt
4. Cement and Clinker
5. Wheat Flour
6. Cooking Oil
7. Fertilizers
8. Insecticides
9. Formic acid or any other acid used for coagulating latex
10. Mild Steel Round Bar
11. Kerosene
12. Prepared or preserved fish in airtight containers
13. Ice Of All Types ( State of Sabah Only)
14. Padi ( State of Sabah Only)
15. Petrol Motor Spirit and Motor Gasoline of All Grades
16. Diesel Fuel
17. Liquified Petroleum Gas
18. Bread of All Types
19. Fuel Oil
20. Chicken
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Last Update : 09 July 2011
some links:-
http://www.kpdnkk.gov.my/web/guest/homehttp://www.kpdnkk.gov.my/web/guest/sena ... ng-kawalanhttp://www.kpdnkk.gov.my/web/guest/bara ... -berjadualHope it helps... cheers.
There should be some pamphlet or so materials for Singaporean.