Legacy Modeling Guidelines

Standard 90.1-2001	This set of modeling rules were used as the baseline for the federal tax deductions that were offered through section 179E of the IRS. This incentive program has expired and this set of modeling rules is no longer relevant.
Standard 90.1-2007	This set of modeling rules was used for previous versions of the LEED rating system.
Standard 90.1-2010	This set of modeling rules is the current baseline for the LEED rating system.
Original MGP	The original Acrobat portfolio for the COMNET modeling guidelines and procedures.