3 - When editing records,
4 - pref: BiblioAddsAuthorities
9 - them too automatically create new authority records if needed, rather than having to reference existing authorities.
16 - automatically update attached biblios when changing an authority record. If this is off, please ask your administrator to enable the merge_authorities.pl cronjob.
18 - pref: UseAuthoritiesForTracings
23 - authority record numbers instead of text strings for searches from subject tracings.