- openbook Compeititon Bulletin 2016-5TimeMarch 29, 2016Tentative 2016 ATVMX Race Orders
- openbook Competition Bulletin 2016-4TimeFebruary 19, 2016Change in the ATVSX Supplemental Rules
- openbook Competition Bulletin 2016-3TimeJanuary 9, 2016FINAL 2016 ATVMX National Classes and Supplemental Rules
- openbook Competition Bulletin 2016-2TimeDecember 29, 2015Tentative 2016 ATVMX National Classes and Supplemental Rules
- openbook Competition Bulletin 2016-1TimeDecember 3, 2015Change in the 2016 ATVSX Supplemental Rules
- openbook Competition Bulletin 2014-9TimeDecember 31, 20142015 Final ATVMX Supplemental Rules and National Classes Amendment to 2015 Daytona ATVSX Supplemental Rules
- openbook Competition Bulletin 2014-8TimeNovember 26, 2014Re: 2015 ATVMX Tentative National Classes and Supplemental Rules
- openbook Competition Bulletin 2014-7TimeNovember 5, 2014RFP Re: 2015 Classes and Supplemental Rules.
- openbook Competition Bulletin 2014-6TimeApril 9, 2014Clarification of Age Requirements for Amateur Classes
- openbook Competition Bulletin 2014-4TimeJanuary 16, 20142014 Girls Sr. (12-15) Class Machine Eligibility Change
- openbook Competition Bulletin 2014-3TimeJanuary 16, 20142014 Pro Am Production Eligibility
- openbook Competition Bulletin 2014-2TimeDecember 10, 20132014 ATVMX Supplemental Rules and National Classes - FINAL