Theravāda Vinaya
Mahāvibhaṅga
Sekhiyakaṇḍa
Ujjagghikavagga
Sekhiyā 15: Kāyappacālakasikkhāpada
Tena samayena buddho bhagavā sāvatthiyaṃ viharati jetavane anāthapiṇḍikassa ārāme. Tena kho pana samayena chabbaggiyā bhikkhū kāyappacālakaṃ antaraghare gacchanti kāyaṃ olambentā … pe ….
“Na kāyappacālakaṃ antaraghare gamissāmīti sikkhā karaṇīyā”ti. (15:160)
Na kāyappacālakaṃ antaraghare gantabbaṃ. Kāyaṃ paggahetvā gantabbaṃ. Yo anādariyaṃ paṭicca kāyappacālakaṃ antaraghare gacchati kāyaṃ olambento, āpatti dukkaṭassa.