CBSA recently added a section for their CARM Newsletters to the Google drive, click here to view:
https://drive.google.com/drive/folders/1-SahWEaQ0y344m2MacvTAhshEQF4VbJv
So far two newsletters from this limited series have been distributed and added to the Google drive. They provide CARM resources and tips for topics like Portal registration, submitting C-type CADs and trouble-shooting tips when an importer experiences Error Code EC-1012.