Welcome to Labor of Law, our labor and employment dispatch spotlighting key issues and developing trends. Thanks for reading, and we’d love your feedback. Please email thoughts and tips to Jessica Mach. Want to receive this in your inbox each Thursday? Sign up here.

Last Friday, attorneys for the National Labor Relations Board’s general counsel, Jennifer Abruzzo, filed a motion asking the board to overrule an unfair labor practice case from 1970 called Ex-Cell-O Corp. The goal? Create a penalty for employers who stall the collective bargaining process, so they have to pay employees the wages they presumably would’ve collected—but lost out on—because of the delay.