Several members of the main opposition Samagi Jana Balawegaya (SJB) voted in favour of the 20th Amendment to the Constitution while the SJB had officially decided to oppose the legislation. Among the SJB MPs who voted in favour of the 20th Amendment were MPs Diana Gamage, Ishak Rahuman, Faizal Cassim, H. M. M. Harees, M. S. Thowfeek, A. S. M. Raheem, Nazeer Ahamad and Aravindh Kumar. While several MPs from the Sri Lanka Muslim Congress (SLMC) and All Ceylon Makkal Congress (ACMC) voted in favour of the 20th Amendment, the two party leaders, MPs Rauf Hakeem and Rishad Bathiudeen voted against the legislation.