Khosa issued notices to all parties, including Gen Bajwa, who is due to retire on November 29. The hearing was adjourned till Wednesday, Dawn reported.
A three-member bench, comprising the Chief Justice along with Justice Mazhar Alam and Justice Mansoor Ali Shah, was hearing a petition filed by the Jurist Foundation.
During the hearing of a petition challenging the extension in Gen Bajwa's tenure on Tuesday, the Chief Justice said, "Only the president of Pakistan can extend the tenure of the Army chief."
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"Army chief's tenure was extended after the president's approval. The summary had been approved by the cabinet," the attorney general (AG) told the court.
On August 19, Prime Minister Imran Khan had approved an extension in the tenure of Gen Bajwa for another three years.
"General Qamar Javed Bajwa is appointed Chief of Army Staff for another term of three years from the date of completion of current tenure," the brief notification issued by the prime minister's office said.
The Army chief will now serve on the post till November 2022 after Imran Khan extended his tenure citing "regional security environment", according to The Express Tribune.
"A similar petition was filed in the Peshawar High Court but was withdrawn later," the AG added.
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