Work-to-rule is a job action in which employees do no more than the minimum required by the rules of their contract, and precisely follow all safety or other regulations, which may cause a slowdown or decrease in productivity, because the employer did not hire enough employees or pay the appropriate salary and as such does not have the requirements needed to run at the level they desire. Such an action is considered less disruptive than a strike or lockout, and obeying the rules is less susceptible to disciplinary action. Notable examples have included nurses refusing to answer telephones, teachers refusing to work for free at night and during weekends and holidays, and police officers refusing to issue citations. Refusal to work overtime, travel on duty, or sign up to other tasks requiring employee assent are other manifestations of using work-to-rule as industrial action.
Sometimes the term "rule-book slowdown" is used in a slightly different sense than "work-to-rule": the former involves applying to-the-letter rules that are normally set aside or interpreted less literally to increase efficiency; the latter, refraining from activities...