Yes. In many pieces of recent legislation, there are preambles that specify the general governing principles that should guide the legislation. It's very common to have a preamble that specifically says that the Canadian Charter of Rights and Freedoms should be respected in relation to enforcing the piece of legislation.
It seems that the Customs Act is one of those pieces of legislation currently lacking such a preamble, which would greatly benefit from it. As powers under the Customs Act for search and seizure and questioning increase, it just seems that it would be a worthwhile reminder to say, “Look, all of this has to happen within the framework of our charter and in accordance with the values that we hold as a democratic society”.