It would also be unconstitutional, as one parliament would be effectively determining the affairs of a future one. However, they consisted of the Special Powers Bill, which allowed the police extra powers to stop, search and arrest people, restrictions on ships and aircrew, along with compensation.
The act would violate the constitution because it would give one parliament control over the affairs of a future one.  However, it included the Special Powers Bill, which gave police more authority to stop, search, and arrest individuals, restricted ships and air crews, and provided compensation.