Gathāmalagataabapācittiyakaṇḍa

Vinayapiṭaka · Parivāra · Vol. 8 · Section 288

[288] Having accepted a robe given in urgency (accekacīvara), one who lets it pass beyond the period of the robe-season (cīvarakālasamaya) commits one offence: an offence entailing expiation with forfeiture (nissaggiya pācittiya).

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.

This passage also appears in 1 other place

Vol. 8 · Section 263 — Kaṭhinavagga