Nahānavagga

Vinayapiṭaka · Parivāra · Vol. 8 · Section 697

[697] A bhikkhunī, having unstitched, or having caused to be unstitched, another bhikkhunī's robe (cīvara), and then neither sewing it nor making an effort to have it sewn, commits one offence (āpatti): a 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English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.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 708 — Tuvaṭṭavagga