Any attempt by political parties to amend its constitution to prevent its members, especially MPs, from switching allegiance to the opposing side can be challenged in court.

Dewan Negara president Wan Junaidi Tuanku Jaafar said this was because the amendment could only be approved by the Registrar of Societies (ROS), besides also suggesting the government needs to amend the anti-party hopping laws to address loopholes within...