Due to the way that the BC NDP has structured its constitution and bylaws, Unions are guaranteed leadership posts within the party...

When BC elections occur, Unions dispatch their members to conduct campaign duties for the party...

Union members that conduct campaign work for the BC NDP are, in effect, making a financial donation to the NDP on behalf of their union....

Why is this illegal conduct not being reported by the Globe and Mail?? 

"Organized Labour & the New Democratic Party":
https://ojs.unbc.ca/index.php/cpsr/article/viewFile/291/328 : 

"... the (BC) NDP has changed how organized labour is represented within the party, while retaining key leadership positions for union representatives"

"Organized labour, meanwhile, has taken up a two-track strategy, retaining its traditional internal mobilization of members during election campaigns while also adopting... novel independent campaigns designed to focus public attention around issues it thinks the NDP should take up"