It was formally opened by President Ramaphosa's State of the Nation Address in a joint sitting on 20 June 2019.

Chapter 4 of the Constitution of South Africa defines the structure of Parliament, the legislative branch of the national government.

According to the Constitution, both Houses of Parliament must be established within fourteen days after the Independent Electoral Commission declared the official election results.

[7][8] Chief Justice Mogoeng presided over the swearing-in of MPs and the election of the new Speaker of the National Assembly.

The Union Buildings had been the official venue of the presidential inauguration since the country's first democratically elected president, Nelson Mandela, took the oath of office in 1994.

[17][18] On 22 May 2019, embattled outgoing Minister of Environmental Affairs Nomvula Mokonyane announced her withdrawal from the ANC parliamentary list, citing family reasons.

[19][20] On 27 June 2019, current parliamentary Chairperson of Committees, Cedric Frolick, was re-elected to his position, despite the official opposition Democratic Alliance nominating one of its MPs, Annelie Lotriet, for the post.

The newly elected committee chairpersons include Faith Muthambi, Sfiso Buthelezi, Tina Joemat-Pettersson and Bongani Bongo.

Inkatha Freedom Party MP Mkhuleko Hlengwa was elected Chairperson of the Standing Committee on Public Accounts (SCOPA).