endorsement vs passport

[Emma]

English Language Tests, Intermediate level

ESL/EFL Test #158 "Airport and flight travel expressions", question 2

It is the passenger's responsibility to ensure their ......... is valid for entry and theyhave fulfilled all immigration requirements in the country of destination.

(a) endorsement
(b) passport
(c) document
(d) papers

English Language Tests, Intermediate level

ESL/EFL Test #158 "Airport and flight travel expressions", answer 2

It is the passenger's responsibility to ensure their passport is valid for entry and theyhave fulfilled all immigration requirements in the country of destination.

Correct answer: (b) passport
_________________________

Why is not endorsement?

Emma

[Mister Micawber]

.
'Endorsement' has no meaning in this sentence, Emma-- the sentence is concerned with travel between countries, which specifically requires a passport.
.
_________________
Canadian-American native speaker
who teaches English for a living at Mister Micawber's
ESL cafe: Interview with Mister Micawber