The Act provides for certain sections to be altered by the process of a Bill proposing a change passing all readings, approval by a majority of members in both houses of parliament prior to being assented to by the Governor.

South Australia's Constitutional structure has undergone numerous changes since its settlement by Europeans in the 19th century.

4. c. 95), which authorised the King-in-Council to establish a colony called the 'Province of South Australia' and to provide for a government for the province.

The new colony would consist of a Governor to make laws and Colonisation Commissioners, the later being responsible for the sale of land to free settlers.

Additional powers were also conferred upon three or more appointed residents of the province that would act in conjunction with the Governor to pass new laws.

South Australia's Legislative Council was expanded to not more than 24 members, a third to be appointed by the Queen and the remainder to be elected.

Wording was included in Part 1 includes:[12][13](2) Following the Apology given on 28 May 1997, the Parliament, on behalf of the people of South Australia — acknowledges and respects Aboriginal peoples as the State's first peoples and nations; and (b) recognises Aboriginal peoples as traditional owners and occupants of land and waters in South Australia and that— (i) their spiritual, social, cultural and economic practices come from their traditional lands and waters; and (ii) they maintain their cultural and heritage beliefs, languages and laws which are of ongoing importance; and (iii) they have made and continue to make a unique and irreplaceable contribution to the State; and

(c) acknowledges that the Aboriginal peoples have endured past injustice and dispossession of their traditional lands and waters.The Constitution is divided into six parts This part is relatively short and deals with the Constitution's long title, as well includes an amendment that recognises Aboriginal Australians as the First Nations of the state.

The House of Assembly is made up of 47 members elected from individual electoral districts situated around the state.

Several sections in this part provide that any amendment that would abolish of either chamber of Parliament, or would alter the powers of the Legislative Council, would require a referendum of the majority of the people in the state.

The role and function of the Governor as well as the Executive Council are further detailed by the letters-patent issued by Queen Elizabeth in 1986.

This section was introduced in an amendment in 1975 by the government of former Premier Don Dunstan, to ensure fair and competitive elections for the Parliament.

This undid the gerrymandering of Australia's longest serving Premier Thomas Playford, which kept his Liberal and Country League Government in power for almost 32 years.

An amendment in 1990 proposed by the Labor Government of Premier John Bannon, altered this part as to require a redrawing of the electoral boundaries before every election.