Kosiyavagga

Vinayapiṭaka · Parivāra · Vol. 8 · Section 277

[277] A **bhikkhu** who has an unrelated bhikkhunī (bhikkhunī) wash sheep's wool (eḷakalomāni) commits two offenses (āpatti): in the act of having it washed, he commits an offense of wrong-doing (dukkaṭa); when it has been washed, he commits an offense entailing relinquishment and confession (nissaggiya pācittiya).

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.

This passage also appears in 2 other places