The backlash against North Carolina's new "bathroom law" has focused on transgender rights. The debate has overshadowed another section of the same law that doesn't deal with anti-discrimination rules but with the minimum wage.

The most controversial parts of HB2, as the law is known, are provisions that restrict transgender people from using public, multiple occupancy bathrooms designed for people of the opposite "biological" gender. The law also limits cities and other local governments in the state...