That's correct. They have GST that's collected on their behalf through the CRA and given back to them, as well as the first nations sales tax. They would be able to use those revenues from the GST or the sales tax to borrow money through the First Nations Finance Authority for pooled borrowing. It would be a source of revenue against which they could borrow for infrastructure and economic development purposes.
On May 17th, 2021. See this statement in context.