At the TIB Technology/Natural Sciences, TIB Sozialwissenschaften (Social Sciences) and TIB Conti-Campus sites, lending and returning items is possible Monday to Friday from 09:00 to 15:00 and registration from 10:00 to 12:00. The reading rooms at these three sites are open to a limited number of members of Leibniz Universität Hannover Monday to Friday from 9:00 to 15:00.