In ancient Indian Buddhist monasteries, a ceremony called Pavarana used to be held. It was the

Pavāranā (Pavarana) is a formal ceremony marking the end of the rains-retreat (vassa) in Buddhist monastic practice during which monks publicly invite their fellow sangha members to point out any faults or offences they may have committed while resident for the retreat. The ritual emphasizes communal accountability and reconciliation: the Patimokkha (disciplinary code) is recited and individual monks prostrate and invite criticism or confession from peers before finishing Vassa. Scholarly summaries likewise describe Pavarana as a concluding retreat ritual for confessing faults, seeking forgiveness, and restoring harmonious relationships within the monastic community [1]. Thus option (2) correctly identifies the function of Pavarana.

Sources

1. [1] https://www.wisdomlib.org/concept/pavarana-ceremony
2. [2] https://www.budsas.org/ebud/ebdha086.htm