(1) In locations where the seismic spectral response acceleration, Sa(0.2), is greater than 0.55, loadbearing elements of masonry buildings more than 1 storey in building height shall be reinforced with not less than the minimum amount of reinforcement as required in Subsection 9.20.15.
(2) In locations where the seismic spectral response acceleration, Sa(0.2), is greater than 0.35, but less than or equal to 0.55, loadbearing elements of masonry buildings 3 storeys in building height shall be reinforced with not less than the minimum amount of reinforcement as required in Subsection 9.20.15.