PārājikkaṇḍaPaṭhaṁpārājikasikkhābada

Vinayapiṭaka · Bhikkhu Vibhaṅga (1) · Vol. 1 · Section 66

[66] Now at that time a certain bhikkhu, thinking, "I will engage in sexual intercourse (methuna dhamma) with a woman," became remorseful at the mere touch. Scrupulous regret arose in him … "Bhikkhu, there is no offence of pārājika; there is an offence of dukkaṭa."

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.

This passage also appears in 5 other places