ICM Agriculture Pty Ltd & Ors v The Commonwealth of Australia & Ors

The applicants, ICM Agriculture Pty Ltd and others, brought proceedings against the Commonwealth of Australia and others, challenging the validity of certain legislative instruments and actions taken by the Commonwealth. The dispute concerned the interpretation and application of provisions within the *Water Act 2007* (Cth) and related regulations, specifically in relation to water entitlements and management within the Murray-Darling Basin. The matter was heard by the High Court of Australia.

The central legal issues before the High Court were whether the impugned legislative instruments and actions were invalid for failing to comply with the requirements of the *Water Act 2007* (Cth), particularly concerning the consultation and approval processes mandated by the Act. The applicants also contended that certain decisions were affected by jurisdictional error, arguing that the decision-makers had failed to take into account relevant considerations or had taken into account irrelevant considerations.

French CJ, in delivering the judgment, considered the statutory framework of the *Water Act 2007* (Cth) and the specific provisions governing the development and implementation of water management plans. The Court examined the nature of the consultation obligations imposed by the Act and the consequences of any failure to comply with these obligations. The reasoning focused on the proper construction of the statutory language and the principles of administrative law, including the concept of jurisdictional error. The Court ultimately found that the applicants had not established the grounds for invalidity they alleged.