Table 4.4 – Vertical Dispersion of Wheelchair Spaces
Current Guidelines: 4.33.3  Placement of Wheelchair Locations.  Wheelchair areas . . . shall be provided so as to provide people with physical disabilities a choice of admission prices and lines of sight comparable to those for members of the general public . . . . When the seating capacity exceeds 300, wheelchair spaces shall be provided in more than one location. . . .

Proposed Rule:           802.6.1  Admission Prices.  Wheelchair spaces and designated aisle seats shall be provided in each price level distinguishable by location.

802.6.3  Vertical Dispersion.  Wheelchair spaces and designated aisle seats shall be located at varying distances from the performance area on each accessible level and in each balcony or mezzanine that is located along an accessible route.
 
Final Revised Guidelines: 
221.2.3.2  Vertical Dispersion.  Wheelchair spaces shall be dispersed vertically at varying distances from the screen, performance area, or playing field.  In addition, wheelchair spaces shall be located in each balcony or mezzanine that is located on an accessible route. . . .
Model Codes & Standards
IBC 2000:  Section 1107.2.3 has a similar requirement for vertical dispersion of wheelchair spaces.  

IBC 2003:  Section 1108.2.4 has a similar requirement for vertical dispersion of wheelchair spaces.