Technological development has changed the concepts of a publication, reproduction and distribution. The legislation, together with the Legal Deposit Law does not incorporate these changes, and is very restrictive in the sense of protecting the rights of authors of all electronic publications. National libraries and national archival institutions, being aware of their important role in preserving the written and spoken cultural heritage, try to find different legal ways to its realization. This paper presents some legal aspects of archiving the web pages, concerning the harvesting, providing public access to them, and long-term preservation. (Contains 16 references.) (Author)