This volume contains provisions which have been adopted by the Boiler and Pressure Vessel Committee that cover all Sections of the code other than Section III, Divisions 1, 2 and 3 and Section XI to provide, when the need is urgent, rules for materials or constructions not covered by existing Code rules. Code Case revisions in the form of Supplements will be sent automatically to purchasers up to the publication of the 2007 Code.