Musāvādasikkhāpada

Vinayapiṭaka · Bhikkhu Vibhaṅga (2) · Vol. 2 · Section 204

[204] One who is fully ordained (upasampanna), desiring to abuse, desiring to disparage, desiring to humiliate one who is fully ordained, addresses one of an exalted [name] with the exalted [name] — one named Buddharakkhita, one named Dhammarakkhita, one named Saṅgharakkhita — saying: "You are Buddharakkhita," "You are Dhammarakkhita," "You are Saṅgharakkhita." There is an offense of pācittiya for each utterance.

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.

This passage also appears in 5 other places