It's in your capacity as a member of the party, right? So in your case, the NDP would be able to request costings because you are a member of the NDP and you are in the Parliament.
On May 11th, 2017. See this statement in context.
On May 11th, 2017. See this statement in context.
Assistant Secretary to the Cabinet, Machinery of Government, Privy Council Office
It's in your capacity as a member of the party, right? So in your case, the NDP would be able to request costings because you are a member of the NDP and you are in the Parliament.
See context to find out what was said next.