Click to see more Asif Kirmani talks to reporters outside FJA.
He alleged that the JIT report will be "incomplete" if it did not include the statement of Qatari prince Hamad Bin Jassim Bin Jaber Al Thani.
After receiving the Qatari royal's letter, Kirmani claimed, the JIT had reportedly presented three choices to the prince to record his statement: that he can visit Pakistan, the JIT can visit him in Qatar or he can be interviewed over Skype.
He claimed that the Qatari prince had invited the JIT to visit him, "but no progress has been made so far regarding that".
"Their (JIT's) report will remain incomplete until the Qatari prince's statement is a part of it," Kirmani said, alleging further that the JIT has taken a "u-turn from its original mandate".
He said the JIT was originally assigned the task to investigate about the Sharif family-owned London flats, and since the Qatari letter concerning those apartments is already with the court, the JIT must visit Qatar to record the prince's statement.
Addressing JIT members directly, he said: "You must go to Qatar or this nation and PML-N workers ... will have serious reservations in accepting this report."
He alleged that since the JIT could not find any incriminating evidence against the Sharif family regarding London flats, it was seeking to reopen the Hudaibiya Paper Mills chapter, "a case quashed by the high court twice".
Kirmani claimed that the Sharif family had submitted all required documents after getting them certified from London to the Supreme Court.
Referring to the JIT as "mohtarma [madam] JIT", Kirmani alleged that the probe team has hired a law firm in London through which it is trying to obtain the same documents and information "which are already present in the Supreme Court record".
He questioned why the JIT had allegedly used tax money to pay "tens of thousands of pounds" to the legal firm when it could have obtained the same documents from the apex court.
As the JIT began its last round of interrogations, it examined the prime minister’s cousin Tariq Shafi on Sunday.
So far, the JIT has recorded the statements of six members of the family — the prime minister, his younger brother Shahbaz Sharif, two sons, son-in-law retired Capt Mohammad Safdar and cousin Shafi.
Shafi told reporters after Sunday's hearing that he was questioned about the Gulf Steel Mills but he did not submit “any documents to the JIT today”.
His second appearance before the JIT lasted almost three hours and, according to him, the investigators’ behaviour towards him was ‘pleasant’.
“They asked how and when the Gulf Steel Mills was founded and sold. I answered whatever they asked me,” he said.
Sources earlier told Dawn the JIT was in the process of winding up the probe by this week, after which it would finish compiling the final investigation report by the second week of July before it is submitted to the apex court by the July 10 deadline.