MZWFZ v MIMA

The applicants, MZWFZ and others, sought judicial review of a decision by the Minister for Immigration and Multicultural Affairs (MIMA) to refuse their applications for protection visas. The applicants were citizens of Afghanistan who had arrived in Australia by boat. The primary dispute concerned whether the Minister had properly considered the applicants' claims for protection, particularly in light of the fact that they had arrived in Australia by boat.

The central legal issue before the High Court was whether the Minister, in assessing the protection visa applications, was bound by the provisions of the *Migration Act 1958* (Cth) relating to the assessment of claims for protection, or whether the Minister was entitled to apply a different, more restrictive, policy framework that effectively precluded consideration of claims from persons who arrived in Australia by boat. Specifically, the court had to determine if the Minister's interpretation of the *Migration Act* and the *Migration Regulations 1994* (Cth) was lawful, or if it unlawfully fettered the Minister's discretion and duty to assess protection claims.

Gummow and Heydon JJ held that the Minister's interpretation of the *Migration Act* and *Migration Regulations* was erroneous. Their Honours found that the Minister was not entitled to adopt a policy that effectively excluded persons arriving by boat from having their protection claims assessed under the prescribed criteria. The court reasoned that the statutory framework mandated a consideration of each claim on its merits, and that the Minister could not lawfully refuse to consider claims based on the mode of arrival. The principles applied centred on the proper construction of statutory provisions and the rule against unlawful fettering of executive discretion.

The High Court allowed the appeals, quashed the decisions of the Minister, and remitted the applications for protection visas to the Minister for reconsideration according to law.