Ārāmavaggasikkhābada

Vinayapiṭaka · Bhikkhunī Vibhaṅga · Vol. 3 · Section 351

[351] There is no offense (anāpatti): if the bhikkhus who have entered upon the rains have departed, or have disrobed, or have died, or have gone over to another faction; in emergencies; if she is insane; if she is the first offender (ādikammikā). __________________ The Seventh Training Rule of the Ārāma Chapter

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.

This passage also appears in 1 other place

Vol. 3 · Section 159 — Lasuṇavaggasikkhābada