In the reference filed by PTI’s Parliamentary Leader Senator Ali Zafar under Article 63-A of the constitution, it was stated that the action was taken against the senator because he had defied the party instructions and voted in support of the amendment.
It was further stated that the senator did not reply to the show-cause notice issued to him in this connection.
It was also mentioned in the reference that the senator was provided the right to defend himself.
However, later, when it was found that he had violated the party policy, he was declared a defector.