noun
employee ID card; staff identity card
A physical card issued by a company to identify its employees, often used for building access or as proof of employment.
入館の際は社員証を提示してください。
Please present your employee ID card when entering the building.
社員証を忘れたので、受付で一時入館証をもらった。
I forgot my employee ID card, so I got a temporary pass at reception.