Consumer advocates in both Canada and the United States are welcoming recent announcements to crack down on the hidden and unexpected charges on purchases that Canadians often pay, but they also say authorities must enforce existing rules for there to be a difference. Following the footsteps of American lawmakers, the federal Liberals announced that they would be taking a look at the additional fees that are often paired with purchases of items such as concert or event tickets. In the federal budget released in late March, a small note referring to “junk fees” said the government plans to work to…