Singapore legislation
Regulation 43
of Fire Safety (Petroleum and Flammable Materials) Regulations
Regulation 43
Supervision of vehicles carrying petroleum and flammable materials
The holder of a licence to transport petroleum or flammable materials as a carrier, supplier or dealer and the driver of a vehicle transporting any petroleum and flammable material in package or in bulk shall ensure that the vehicle, when not driven is —
(a)
parked in a safe place; or
(b)
supervised at all times by him or by the holder of a permit.