An appeals court ruling on a policy that allows general contractors to be cited for exposing a subcontractor’s employee to workplace hazards is among the issues attorneys will examine in 2018.

The U.S. Court of Appeals for the Fifth Circuit, which takes appeals from Texas, Louisiana, and Mississippi, has yet to recognize the Occupational Safety and Health Administration’s multi-employer enforcement policy.

Attorneys also will be monitoring judicial deference and the agency’s use of the Occupational Safety...