The 2011 US Nationals & International Challenge Rules have been amended to correct the language in I.12, 2.8, 12.14, 12.15.1 and 15.5.  The corrections are now visible in latest link below. Please submit any questions regarding the rules, observers and/or loggers to either David Levin (Event Director) or Maury Sullivan (Deputy Director).

Amended Rules (8-10-11):

2011 U.S. Nationals Rules (FINAL CORRECTED).pdf