Kumārībhūtavagga

Vinayapiṭaka · Parivāra · Vol. 8 · Section 752

[752] Having said to a probationary nun (sikkhamānā), "Noble lady, if you will follow me for two years, then I shall ordain you (vuṭṭhāpessāmi)," she who then neither ordains her nor makes an effort for her ordination commits one offense: a pācittiya.

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.