The most popular one is the irrevocable line of credit, which we, and only the CNSC, can tap in case a company goes bankrupt. There are different mechanisms for doing this. Every five years, we re-assess it to make sure of the adequacy of the funds. I don't know if you're familiar with the Cluff Lake uranium mine in Saskatchewan. Right now in their fund there's $30 million for cleanup. The moment it starts, we have access to it.
