Summary of Changes

The Guidebook is updated quarterly to reflect new Clarifications and Exceptions, add clarifying text, tables or graphics, and make other amendments or additions that improve the clarity and content of the guidebook. Quarterly updates will occur in January, April, July, and October of each year, at which time this Early Project Guidebook will be revised and the cover page time stamped with the latest revision date. See Previous Versions of the Guidebook in the Table of Contents for a link to download pdf’s of previous versions.

At each update, a summary of the substantive changes is provided here.