Canadian Health Labs wants the Court of King's Bench to strike down legislation that the province enacted last month, arguing it is unconstitutional, in a bid to avoid any legal or financial penalties over travel nurse contracts between the staffing agency and Vitalité Health Network.

In documents filed with the court in Saint John, Canadian Health Labs alleges the Travel Nurses Act represents "unlawful interference" by the legislature of New Brunswick into a "freely negotiated commercial relati…