examination admission ticket; exam voucher
A document that allows a candidate to enter an examination venue; typically includes the candidate's name, photo, and test details.
Please don't forget to bring your examination admission ticket on the day of the test.
Please check the venue printed on your exam voucher in advance.
入場券 is a general admission ticket for events or venues, whereas 受験票 is specifically for examinations.
Compound of 受験 (taking an examination) and 票 (slip, ticket).