Attorney-general Mohamed Apandi Ali says he does not dare to comment on the disqualification of DAP Pujut assemblyperson Ting Tiong Choon, citing he wasn't sure about the facts.

"The law is clear, but I am not sure about the facts," he said when met at the 17th Asean Senior Law Officials Meeting (Aslom) in Putrajaya today.

"In law, you cannot have dual citizenship. It is clear," Apandi said.

"I don't have the real facts though. (It's) very sketchy, so I don't dare to comment," he responded when asked whether such a decision should be made by a court of law.

On May 12, the Sarawak state legislative assembly disqualified Ting, who is from the DAP, as the Pujut assemblyperson based on a motion from state International Trade and E-Commerce Minister Woon Soon Koh, who is also Bawang Assan assemblyperson, because Ting has dual citizenship, Malaysian and Australian.

The motion was passed after it was seconded by 70 assemblypersons, while another 10 objected to it.

In his defence, Ting said that he had renounced Australian citizenship in April 2016, one month before the May 7, 2016 state election was held.

DAP secretary-general Lim Guan Eng claimed that the Sarawak legislative assembly abused its power to terminate Ting's membership and the matter would be brought to court.

Deputy Prime Minister Ahmad Zahid Hamidi has expressed confidence that BN would be able to wrest the Pujut state constituency in Sarawak from the opposition if a by-election was held.

Zahid said if the BN manages to wrest the seat, it would increase the number of seats held by Sarawak BN to 73.