Cittāgāravaggasikkhābada

Vinayapiṭaka · Bhikkhunī Vibhaṅga · Vol. 3 · Section 327

[327] There is no offence (anāpatti): if she teaches writing; if she teaches memorization; if she teaches a protective recitation (paritta) for the sake of protection; if she is insane; if she is the first offender. The Cittāgāra Chapter, the fifth, (is finished). _______ The first 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English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.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 459 — Chattupāhnavaggasikkhābada