The Bison Council may modify these Terms from time to time. Modifications are effective immediately upon being posted on the Site. You should read these Terms whenever you visit the Site so that you are aware of any modifications. Your use of the Site after modifications have been posted constitutes your agreement to be bound by these Terms as modified. If you are not willing to be bound by these Terms, or if you are under 16 years old, do not use the Site and do not submit any information to The Bison Council through the Site.