(1)
Except as provided in Sentence (2), the rates at which outdoor air is supplied in farm buildings by ventilation systems shall be in accordance with good engineering practice as described in Article 6.2.1.1. (See Note A-2.4.2.1.(1))
(2)
Except as otherwise provided in this Subsection, farm buildings containing a Group G, Division 4 major occupancy need not comply with Sentence (1).