"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"