Effective 1st May 2019 the address for the RAC National Incoming QSL Bureau for Canada will be as follows:
RAC NATIONAL INCOMING QSL BUREAU
MANAGER, ED SPINGOLA, VA3TPV
P.O. BOX 83. STREETSVILLE, ONTARIO,
L5M 1L5, CANADA
The Incoming Box 51 at Saint John, NB will be forwarded for a few months to allow for the bureau change notifications to be received by worldwide bureau's.
Radio Amateurs of Canada - http://www.rac.ca/