Section R310.2.3 of the IRC, is hereby amended by adding the following exception:
Section R310.2.3 exception A landing may be provided to meet the maximum height of forty-four (44) inches to the bottom of the clear opening. The landing shall be not less than 36-inches (904mm) wide, not less than 12-inches (305mm) out from the exterior wall, and not more than 24-inches (610mm) in height. The landing shall be permanently affixed to the floor below or the wall under the window it serves.