Infrastructure Western Australia Act 2019

A document is duly executed by Infrastructure WA if —

Infrastructure WA’s common seal is affixed to it in accordance with subsections (2) and (3); or

it is signed on Infrastructure WA’s behalf by a person or persons authorised to do so under subsection (4).

Infrastructure WA’s common seal is not to be affixed to any document except as authorised by Infrastructure WA.

Infrastructure WA’s common seal is to be affixed to a document in the presence of the chairperson of the Board and another Board member, or the chairperson and the CEO, each of whom must sign the document to attest that the common seal was so affixed.

Infrastructure WA may, by writing under its common seal, authorise one or more Board members or one or more staff members to sign documents on Infrastructure WA’s behalf, either generally or subject to the conditions or restrictions specified in the authorisation.

A document purporting to be executed in accordance with this section must be presumed to be duly executed unless the contrary is shown.

When a document is produced bearing a seal purporting to be Infrastructure WA’s common seal, it must be presumed that the seal is Infrastructure WA’s common seal unless the contrary is shown.