34ea531b_HA__1926_Subpart_AA__1926_1200__General_Industry
[Difference] Information Exchange [Construction] Controlling contractor coordinates entry operations among contractors who have employees in a confined space regardless of whether or not the controlling contractor has employees in the confined space. [General Industry] 
Host employer coordinates entry operations with a contractor when the host employer and the contractor both have employees working in or near a permit space.
New Confined Spaces in Construction Standard from OSHA: 1926 Subpart AA, 1926.1200
General Industry