Are they subject to a collective bargaining agreement? Yes.No, that’s an association not a union. Unions , and only unions, are covered by rights and obligations of the Labour Relations Act. It’s illegal for the Toronto police to be unionized.
Maybe the word “Association“ will tip you off to the reality they are not a union?
They're unionized.
Maybe the word "collective" will tip you off to the reality that they are indeed unionized.
Do you prefer "syndicate"? "Coalition"? etc etc. Semantics.