That's explained in the previous paragraph: In its lawsuit, the Justice Department argues that Facebook's hiring practices made a mockery of these requirements

That's explained in the previous paragraph: In its lawsuit, the Justice Department argues that Facebook's hiring practices made a mockery of these requirements. Most Facebook jobs are advertised online, and job seekers can apply online. In contrast, Facebook overwhelmingly placed its legally mandated ads for PERM jobs in print publications. Candidates were required to submit their applications by mail.