Financial administration act - http://laws-lois.justice.gc.ca/eng/acts/F-11/page-14.html#docCont
19. (1) The Governor in Council may, on the recommendation of the Treasury Board,
• (a) by regulation prescribe the fees or charges to be paid for a service or the use of a facility provided by or on behalf of Her Majesty in right of Canada by the users or classes of users of the service or facility; or
• (b) authorize the appropriate Minister to prescribe by order those fees or charges, subject to such terms and conditions as may be specified by the Governor in Council.