(1) In summary, this Division validates, or allows States and Territories to validate, certain acts that:
(a) took place before 1 January 1994; and
(b) would otherwise be invalid because of native title.
This Division also covers certain acts done after that day consisting of an extension or renewal etc. of an act done before that day.
(2) The acts validated are called past acts ; they are defined in section 228.
(3) This Division also sets out the effect of such validation on native title. The effect varies depending on the nature of the act. For this purpose, different categories of past act are defined by sections 229 to 232.