connective N2 uncommon politewritten
際 — occasion
際 ・ さい
Meaning
- occasion / time — the bare noun behind the formal 'when' pattern 際に; see that page
Key sentence
ご来店の際には、会員証をお持ちください。
When you visit the store, please bring your membership card.
Easily confused with
See 際 in real sentences
Jengo shows 際 the way you actually meet it: inside real Japanese sentences, so it sticks instead of staying an abstract rule.
Study it in JengoSources Compiled with reference to A Dictionary of Advanced Japanese Grammar. Editorial confidence: medium.