Find the IAC Official Contest Rule Book available here in PDF format, free of charge.
2021 Rule Book
Important Notice: Any IAC member or person acting on behalf of the IAC is hereby authorized to copy and print this document for personal or IAC-approved use. Any copy of this document or portion thereof must include this copyright notice. This document may be used for information only and may not be exploited for commercial purposes.
To download the 2021 Rule Book and 2021 Rule book changes summary files, by using the following links. You may also download the pdfs by clicking on the attached files at the bottom of this page.
NEW - Archived Rule books
02-05-21 For anyone interested in old rule books, an archive is being developed and the books may be accessed at this location: https://www.iac.org/old-rule-books