What went out, who has it, and when it is due back.
Each research request with its decision and dates.
An item lent out is recorded with the borrower, the date and the date it is due back.
A request to study the collection is kept with who asked, what for, and what they asked to see.
The office records its decision and the dates access begins and ends.
This is an optional feature, switched on when your network asks for it.