On a DWAN computer: dt.mil.ca
Under Organizations (top bar), select Military Personnel Command
In the box on the right, select Policies, Directives and Orders
From the list, select CF Military Personnel Instructions
Scroll down to 03/19... except there is no 03/19.
What is the topic? If it's about CAFJOD, then that's CANFORGEN 007/19, available in the CAF app on on the DWAN under CANFORGENs.