West Sussex Library Service will be reintroducing overdue and reserving charges for books and other items from 1 April.
The service is also encouraging anyone who needs to return items that are overdue to do so before 31 March.
Overdue fees and charges for reserving items were suspended during the Covid-19 pandemic.
A full list of library charges and loan periods can be found on the library section of the West Sussex County Council Website.