The National Assembly and the National Council of Provinces (NCOP) will both hold plenaries this week, for the first time after the winter recess. There are 43 committee meetings scheduled to sit.
However, the most prominent event will be the election of the speaker later in the week.
Modise is now the new Defence Minister.
Process of filling vacant National Assembly speaker seat: Lechesa Tsenoli
Meanwhile, the National Treasury and South African Revenue Service (Sars) will also brief the Standing Committee on Finance on tax-related legislation.
NCOP committees dealing with the economy and trade will receive a briefing focusing on resetting the economy to boost Economic Growth, Attract Investments and Create Jobs in regional and local economies.
On Wednesday, the Department of Public Enterprises will update the oversight committee on progress in addressing governance and financial challenges of state-owned companies which include among others recent explosion at Medupi, liquidation of Denel.