Is the bikie legislation ultra vires of the constitution?

Whether bikie legislation is ultra vires (beyond the powers) of the constitution depends on the specific provisions of the legislation and the constitutional framework of the jurisdiction in question. In many cases, such legislation is designed to address organized crime and is typically within the legislative powers granted to state or federal governments. However, challenges may arise if the laws infringe on rights or exceed the scope of legislative authority. Ultimately, judicial review would determine the constitutionality of the legislation.