Brad Wall says Ottawa should pressure the B.C. government by threatening to withhold transfers and infrastructure money to ensure the Trans Mountain pipeline gets built.

An advocacy group that argues for the interests of taxpayers will be asking the courts to allow it take part in separate legal cases in British Columbia and Saskatchewan in a dispute over federal and provincial jurisdiction.

The Supreme Court of Canada has ruled that British Columbia has the right to charge administrative court fees, but they can't be so high as to prevent litigants from accessing the legal system.