Patimokkha

In Theravada Buddhism, the Patimokkha is the basic code of monastic discipline, consisting of 227 rules for fully ordained monks (bhikkhus) and 311 for nuns (bhikkhunis). It is contained in the Suttavibhanga, a division of the Vinaya Pitaka.

Parajika

The four parajikas (defeats) are rules entailing expulsion from the sangha for life. If a monk breaks any one of the rules he is automatically "defeated" in the holy life and falls from monkhood immediately. He is not allowed to become a monk again in his lifetime. Intention is necessary in all these four cases to constitute an offence. The four parajikas for bhikkus are: