The project is the major renovation of 7 separate 3-story, Low-Rise, multi-family residential apartment buildings, totaling 137,600 SF. All buildings will maintain at least 90% of the existing building envelope and are collectively pursuing LEED NC 2.2. The project was registered on 06/27/2007 (Invoice ID: 90138627) under the applicable LEED ratings system, LEED NC 2.2. LEED NC 2.2, 2nd Edition, only recognizes ASHRAE 90.1-2004 as the acceptable baseline standard for evaluation of EA Pre-Requisite 2 and EA Credit 1. However, this standard only applies to Commercial buildings and High-Rise Residential projects. In addition, the ASHRAE 90.1 standard sites the ASHRAE 90.2 standard as the applicable standard for Low-Rise residential buildings. This project was designed in accordance with the most stringent applicable code standard for energy efficiency, ASHRAE 90.2-2007. According to a CIR ruling dated 4/19/2004, the USGBC allowed for low-rise residential projects to be evaluated under LEED NC 2.1 using the LEED Application Guide for Lodging as a guideline. The LEED Application Guide for Lodging established the use of ASHRAE 90.2 as the relevant Baseline standard for EAp2 and EAc1 instead of ASHRAE 90.1. There had been no subsequent clarification for low-rise residential projects at the time that this project registered with USGBC. As such, this project was designed and evaluated in accordance ASHRAE 90.2-2007 using the LEED NC 2.1 ruling as a guideline. Low-rise residential projects are currently being evaluated under LEED-Homes. Design for the project originally began in early 2007 and construction began on September 1, 2008. At the time of registration, LEED Homes Pilot only allowed for new construction projects, and at the time of design it was not evident how renovation projects, and in particular, multi-family renovation projects, would be evaluated under this rating system. The project, therefore, proceeded with its only available USGBC option and registered under LEED-NC 2.2. We are seeking clarification that ASHRAE 90.2-2007 is the applicable standard for its evaluation of EAp2 and EAc1 for a low-rise multifamily renovation project under LEED NC 2.2.