exit visa; departure permit
Official document allowing departure from a country; used in immigration contexts.
To obtain an exit visa, you need to apply at the embassy.
入国査証 is an entry visa, while 出国査証 is an exit visa.
ビザ is the common loanword for 'visa' in general, while 出国査証 specifically refers to an exit visa.
Compound of 出国 (departure from a country) and 査証 (visa).