Hani Mamdouh said the referendum on the draft constitution will be held in mid-January in every governorate over a period of two days.
Muslim Brotherhood sources said the group would recognize the new constitution if more than 35 million citizens participated in the referendum.
Amendments include more rights and freedoms, greater autonomy for the military, judiciary and the possibility to withdraw confidence from the president.
A military Spokesperson offered condolences on behalf of the armed forces over the death of an engineering administration officer in a road accident.
Liberal party founded by Mohamed ElBaradei urges participation in constitution vote, repeats support for roadmap.
Party founded by Abdel-Moneim Abul-Fotouh lists measures it deems essential for free and fair constitution referendum.
Egypt's Al-Gamaa Al-Islamiya condemns the trial of liberal activists for protesting, despite the group's previous condemnation of protests by the same activists
Development and Change Party founder Bassem Khafagy has announced the formation of a new alliance aiming for the downfall of the current regime.
Security forces fire teargas at pro-Brotherhood students at Al-Azhar University, protesters retaliate with Molotov cocktails.
Sheikh Ahmed El-Tayyeb , Al-Azhar's Grand Imam, did not participate in the voting to accept the resignation of Sheikh Al Qaradawi.