<Dd> 2 . establishment of a minimum term for catechumens (persons studying for baptism) </Dd> <Dd> 3 . prohibition of the presence in the house of a cleric of a younger woman who might bring him under suspicion (the so called virgines subintroductae, who practiced Syneisaktism) </Dd> <Dd> 4 . ordination of a bishop in the presence of at least three provincial bishops and confirmation by the metropolitan bishop </Dd> <Dd> 5 . provision for two provincial synods to be held annually </Dd>

What happened at the council of nicaea in 325 ad