Law360 is reporting that the 4th Circuit Court of Appeals has delayed oral arguments until May in the lawsuit challenging new H-2B visa rules as a result of a Justice Department lawyer testing positive for the coronavirus. The plaintiff in the case, Outdoor Amusement Business Association Inc. et al. v. Department of Homeland Security et al., is challenging a 2008 rule requiring approved labor certifications before filing an H-2B petition for temporary workers.