1104.5.2 User Passage Doorways
Doorways intended for user passage shall comply with Section 1104.5.2.
Exception: Doors that are part of a shower door assembly shall not be required to comply with this section.
Thresholds shall comply with Section 303.
Exception: Thresholds at exterior sliding doors shall be permitted to be 3/4 inch (19 mm) maximum in height, provided they are beveled with a slope not steeper than 1:2.