It is a voluntary program, and it's consistent with a lot of the programs that are happening worldwide.
When we actually had a legal opinion on whether or not we could make it mandatory, it would actually have involved significant issues in terms of privacy and significant issues in terms of mandated legislative change in order to mandate it. There were considerable concerns about the right to information and privacy, so it wasn't recommended that we go forward. We actually couldn't have gone forward with a mandatory measure at this time under the current regulatory framework.