Table 5.12 – Multiple Single User Toilet Rooms
Current Guidelines:  
Final Revised Guidelines:  
4.1.3  Accessible Buildings: New Construction.  Accessible buildings and facilities shall meet the following minimum requirements: . . . 

(11)  Toilet Facilities.  If toilet rooms are provided, then each public and common use toilet room shall comply with 4.22. . . .
213.2  Toilet and Bathing Rooms.  Where toilet rooms are provided, each toilet room shall comply with 603. . . .
Exceptions: . . . 
4.  Where multiple single user toilet rooms are clustered at a single location, no more than 50 percent of the single user toilet rooms for each use at each cluster shall be required to comply with 603.
Model Codes & Standards
IBC 2000:  Section 1108.2 has a similar exception for multiple single user toilet rooms clustered at a single location. 

IBC 2003:  Section 1109.2 has a similar exception for multiple single user toilet rooms clustered at a single location.