A day after the Supreme Court disqualified Sharif from holding public office, legal experts and political observers appear equally confused, as are ordinary Pakistani citizens.
When the question about the duration of the 67-year-old veteran politician's ouster from Pakistan's active politics was put to seasoned lawyers, most seemed confused.
Some said the question needed to be addressed since it has remain unanswered for far too long, Dawn reported.
A five-member bench disqualified Sharif under articles 62 and 63 of the Constitution, which state that a member of the parliament should be "truthful" and "righteous".
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Former chief justice Anwar Zaheer Jamali, hearing one of such cases, had wondered how anyone could be disqualified from participating in elections forever on the basis of articles 62 and 63, saying people could reform themselves to be qualified under the provisions at some point of time.
Unfortunately under Article 62(1)(f) no period of disqualification has been specified, he said, but endorsed what Mehmood observed.
Sheikh said some cases were pending to determine should the application of Article 62(1)(f) be restricted to the current election or to all times to come.
He said the Supreme Court was in a "catch-22 situation", since by citing the reasons for disqualification of Sharif, it lowered the threshold for ineligibility of elected members to such an extent that too many heads might roll in future.
He said if the judgement was implemented across the board, the parliamentarians, feeling threatened, might react by getting together for a constitutional amendment aimed at curtailing or restricting the scope of powers under Article 62 of the Constitution.
One the other hand, vice chairman of the Pakistan Bar Council Ahsan Bhoon said the disqualification of Sharif was forever.
To support his observation, he cited the 2013 Abdul Ghafoor Lehri case in which former chief justice Iftikhar Muhammad Chaudhry had held that under Article 63, there were certain disqualifications which were of temporary nature and a person disqualified under Article 63 could become qualified after the lapse of a certain period, whereas the disqualification under Article 62 was permanent.
Former additional attorney general Tariq Khokhar also said that Sharif had been disqualified for life since ineligibility for not being sadiq and ameen was forever.
But a senior lawyer, who did not want to be named, said that Article 62 was a qualifying provision and, when originally enacted in 1973, it had qualifications which were all objectively determinable.
Later Gen Zia-ul Haq brought in nebulous qualifications in Article 62, which were open-ended and highly subjective.
The provision was largely dormant till it was dusted and brought out by Iftikhar Chaudhry and used to knock out parliamentarians, Khokhar said, adding that even Justice Chaudhry did not disqualify anyone directly, except in the dual nationality cases and that too on the basis of admissions.
But when people were disqualified in almost every such case, it was later observed that the disqualification was for life, he said, adding that was the law for the moment.