The government's decision to implement the goods and services tax (GST) has nothing to do with the 1MDB scandal, Prime Minister Najib Abdul Razak said today.

In his speech at the Malaysian Investment Development Authority (Mida) 50th-anniversary gala dinner, Najib once again defended the six percent tax and said it was introduced to ensure that the country's economic fundamentals remained strong amid global uncertainties.

"It (GST) has nothing whatsoever to do with 1MDB, whose rationalisation programme is going well...