Revocation on request
(1) The Secretary must revoke the approval of a person as a known consignor if the person requests, in writing, the Secretary to revoke the approval.
When revocation has effect
(2) The revocation has effect on:
(a) the day nominated in the request (which must not be a day before the request is made); or
(b) if no such day is specified in the request--the day the Secretary receives the request.