7 - when an automatic claim notice is sent.
13 - changes to patron records.
15 - pref: CataloguingLog
19 - any changes to bibliographic or item records. Since this occurs whenever a book is checked in or out as well, it is not advisable to turn this on.
21 - pref: AuthoritiesLog
25 - changes to authority records.
31 - when overdue fines are charged or automatically forgiven.
37 - when items are checked out.
43 - when items are returned.
45 - pref: SubscriptionLog
49 - when serials are added, deleted or changed.