KUALA LUMPUR, Aug. 12 -- Businesses involved in the shipping and petroleum sectors are being badly affected by uncertainty over the tax treatment of oil cargo commingled in shore tanks at Johor's Tanjung Langsat Port, said Maritime Network Sdn Bhd chief executive officer Datuk Seri Jeyenderan Ramasamy.

He said the Royal Malaysian Customs Department (JKDM) must urgently provide a clear ruling on whether such commingling is permissible and, if so, how the cargo should be classified, documented and assessed for tax purposes.

With more than 30 years of maritime experience, Jeyenderan said the issue was particularly important at Tanjung Langsat Port, where petroleum cargo is handled and may be discharged from vessels into shore tanks during ...