He was examined by the Sangha in connection with an offence he had committed. He first denied it, then confessed it, then denied it again, and made counter-charges and spoke lies, knowing them to be such. The Buddha requested the monks to carry out the tassa-pāpiyyasikā-kamma against him (v.l. Upavāla). Vin.ii.85f; where the details of procedure are also given.