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How can I view updates that have been made to the rating system since the last reference guide was purchased?


LEED rating system addendas are available in the resource library. Addenda include both substantive and non-substantive changes to language that are meant to clarify, correct, interpret and provide alternative language to aid in the implementation of LEED.

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U.S. Green Building Council
P.O. Box 404296
Atlanta, GA 30384-4296


2101 L Street, NW
Suite 500
Washington DC 20037