1.To abstain from the blemishes of Paribhogaiṣaṇā, viz., Saṃyoanā, Apramāṇa, Aṅgāra-Dhūma and Kāraṇa while consuming food etc.
2.To implement the fourfold purification in relation with the consumption of food sojourning place, clothes and bowls.
paribhoyaṃmi caukkaṃ, visohejja jayaṃ jaī.
(U 24.12)
paribhogaiṣaṇāyāṃ catuṣkaṃ piṇḍaśayyāvastrapātrātmakam....yadi vā....'catuṣkaṃ ca'saṃyojanāpramāṇāṅgāradhūmakāraṇātmakam, aṃgāradhūmayormohaniyāntargatatvenaikatayā vivakṣitatvāt.
(UŚāVṛ Pa 517)
...saṃjoyaṇamāi paṃceva...
(PiNi 669)
See Bhāvagrāsaiṣaṇā.