LEED 2009, including the new LEED Online will launch of April 27, the same day as the transition of LEED project registration and certification from the USGBC to the Green Building Certification Institute. GBCI is the third party that administers the retooled LEED AP credential. Projects can be registered under both the new or the old LEED system until June 27, 2009.

The transition to GBCI will affect several LEED AP exams changing to newer versions. Here are some important transitional dates for LEED AP exams.

• December 31, 2008: LEED AP + Existing Buildings exam retired
• March 31, 2009: Deadline to register for LEED AP + New Construction or LEED AP + Commercial Interiors exams
• May 2009: New LEED Green Associate exam launched
• May 2009: New LEED AP + Operations & Maintenance Exam launched
• June 2009: New LEED AP + Homes Exam launched
• June 2009: LEED AP + New Construction and LEED AP + Commercial Interiors exams retired
• September 2009: New LEED AP + Building Design & Construction and LEED AP + Interior Design & Construction exams launched.

Confused? Here is a timeline of rollout plans for LEED 2009 and here are some FAQ about LEED 2009.