 The tenure time period was shortened due to his refusal to take the Provisional Constitutional Order (PCO) Oath, prescribed by General Pervez Musharraf to legitimize the LFO.After a long discussion with 4 Army generals sent to his residence by General Musharraf; namely, Lieutenant-General (Retired) Moinuddin Haider, who was Interior Minister, then-Lieutenant-General Ehsan ul Haq, Core-commander of the XI Corps, Lieutenant-General (retired) Mahmud Ahmed, then-Director General of the ISI and Brigadier-General (retired) Javed Ashraf Bajwa; Chief Justice Siddiqui refused to take the Oath after which the Generals left and on orders of the GHQ was executed, which had authorized the house arrest of him and his family.On 25 August 2008, Nawaz Sharif announced that Saeeduzzaman Siddiqui would be Pakistan Muslim League (N) and Jamaat-e-Islami nominee to replace Pervez Musharraf as President of Pakistan.