The amendment would amend section 89 of the Firearms Act from every court, judge or justice to every competent authority that makes, varies or revokes. It's just a changing of the labelling, and then there is a timing requirement that has been changed through an amendment with regard to CFOs informing without delay—or, in this case, 24 hours—of a protection order being issued, varied or revoked.
On May 11th, 2023. See this statement in context.