EN
The article provides an overview of the European rules which are dedicated to the creation of a single digital market of the European Union with particular regard to the position and role of libraries in this process. It discusses the current amendments to the Copyright Act which have also amended the legal license that regulates the use of a work by the library or an archive. It points out the unresolved problems of libraries related to the use of book covers and tables of contents of the Works included in the library on-line catalogues. The article analyses the legal nature of the objects of legal protection used by libraries in their on-line catalogues and deals with the issues of works reproduction and making available to the public.