The National Assembly session was adjourned on Friday due to lack of quorum after PML-N and PTI lawmakers clashed, reported 24NewsHD TV channel.
Muhammad Bilal Badar on Friday took oath as a Member of the National Assembly (MNA).
Presiding Officer Nazhat Sadiq administered the oath, after which Badar signed the registration roll.
He was elected from NA-96, Faisalabad, in the recent by-election.
The National Assembly also offered Fateha for the late Assistant Commissioner of South Waziristan and five police personnel who were martyred in recent terrorist attacks in Bannu and Dera Ismail Khan.
At the request of Presiding Officer Nuzhat Sadiq, Maulana Abdul Ghafoor Haideri led the prayers, seeking forgiveness and higher ranks in the hereafter for the martyrs.
Reporter Rozina Ali