w przeciwieństwie do "work permit" (które dotyczy rynku pracy), "permit to work" jest określeniem BHP i dotyczy systemu zapewnienia bezpieczeństwa w miejscu pracy. Ostatnio się spotkałem z tym w tłumaczeniu w drugą stronę z okresleniem "permit to work" w przypadku prowadzenia prac spawalniczych w miejscu budowy, poniżej inne przykłady

"Any manager responsible for a high risk activity must decide in advance if a Permit to Work is required, based on BBC rules, statutory requirements or the findings of a risk assessment. Every manager responsible for activities subject to a permit to work must carry out spot checks on compliance with the terms of the permit."

"The subsequent report by Lord Cullen into this disaster highlighted, among other issues, the criticality of permit to work (PTW) systems in the offshore industry. The principles that govern PTW systems also have applications in downstream, chemical, processing, and other industries."

"the University is committed to ensuring that exposure to hazardous work environments due to hot work and entry into confined spaces is minimised. Consequently, a Permit to Work is required for all work performed involving hot work and/or is in confined spaces"