Section 76Evidence Act 1995 (Cth)

The opinion rule

(1) Evidence of an opinion is not admissible to prove the existence of a fact about the existence of which the opinion was expressed.

(2) Subsection (1) does not apply to evidence of an opinion contained in a certificate or other document given or made under regulations made under an Act other than this Act to the extent to which the regulations provide that the certificate or other document has evidentiary effect.

Note: Specific exceptions to the opinion rule are as follows:

Other provisions of this Act, or of other laws, may operate as further exceptions.

Examples:

(1) P sues D, her doctor, for the negligent performance of a surgical operation. Unless an exception to the opinion rule applies, P’s neighbour, W, who had the same operation, cannot give evidence of his opinion that D had not performed the operation as well as his own.

(2) P considers that electrical work that D, an electrician, has done for her is unsatisfactory. Unless an exception to the opinion rule applies, P cannot give evidence of her opinion that D does not have the necessary skills to do electrical work.

Sourced from the Federal Register of Legislation at 22 May 2026. For the latest information on Australian Government law please go to https://www.legislation.gov.au. Verify the current text against the official source before relying on it.

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