Former prime minister Najib Abdul Razak has filed an appeal against a decision for him to pay the Inland Revenue Board (IRB) RM1.69 billion in additional tax arrears for the period of 2011 to 2017 after a summary judgment was entered against him.

Najib's lawyer Muhammad Farhan Muhammad Shafee said the appeal was filed a few months ago.

“The next case management is tomorrow at the Court of Appeal,” he said today when asked on the matter.

On July 22, the High Court had allowed the IRB’s application for a...