CUPE 2278 – The Union Representing Teaching Assistants and Markers at UBC and UNBC, and Englis, Welcome to the CUPE 2278 website. Below you can find quick links to our most requested documents and an overview of what we do. Please feel free to contact us if you have any questions! For TAs, Tutors, and Markers at UBC For Graduate Teaching Assistants at UNBC.