Overview
- PTI filed a defection declaration and disqualification reference on January 1, submitting it to Senate Chairman Yousuf Raza Gilani after filing by parliamentary leader Syed Ali Zafar.
- Deputy parliamentary leader Aun Abbas Bappi delivered the reference to the Senate secretary, with PTI requesting swift forwarding to the Election Commission of Pakistan.
- The party alleges Senator Saifullah Abro voted for the 27th Constitutional Amendment on November 10 and 15, 2025, contrary to written instructions to oppose it.
- PTI says it issued a show-cause notice and, receiving no response in time, declared Abro to have defected under Article 63-A.
- Abro disputes the allegation, claiming PTI did not oppose the amendment and saying he received no letter or show-cause notice.