Table 5.23 – Toilet Room Doors
Current Guidelines:  
4.22.2  Doors.  All doors to accessible toilet rooms shall comply with 4.13.  Doors shall not swing into the clear floor space required for any fixture.
Final Revised Guidelines:  
603.1  General.  Toilet and bathing rooms shall comply with 603.

603.2.3  Door Swing.  Doors shall not swing into the clear floor space or clearance required for any fixture.  Doors shall be permitted to swing into the required turning space.
Exceptions: . . .
2.  Where the toilet room or bathing room is for individual use and a clear floor space complying with 305.3 is provided within the room beyond the arc of the door swing, doors shall be permitted to swing into the clear floor space or clearance required for any fixture.
Model Codes & Standards
ICC/ANSI A117.1-1998:  Section 603.2.3 has an equivalent requirement for toilet room doors and an equivalent exception for single-user toilet rooms.