President Mamnoon Hussain will administer oath to Jillani at a ceremony to be held at the Presidency here, Geo News reported.
Prime Minister Nawaz Sharif is also expected to attend the ceremony.
President Mamnoon Hussain will administer oath to Tassaduq Hussain Jillani.
Earlier, Jillani had been serving as the acting chief election commissioner, the report said.
Jillani will succeed Pakistan's longest serving Supreme Court chief justice Iftikhar Muhammad Chaudhry, who retired Wednesday.