Legal Deposit and international standard identification numbers

Legal Deposit:

As the Danish National Library the Royal Library receives or collects materials subject to legal deposit according to the act on legal deposit both works in physical form and materials published in electronic communications networks. The goal is to ensure a complete national collection of published works for the benefit of present and future users.
More about legal deposit here

International standard identification numbers:

The Royal Library administers and assigns the following standard identification numbers in Denmark:
- ISSN (International Standard Serial Numbers). More about ISSN Denmark.
- ISMN (International Standard Music Number). More about ISMN Denmark.

Assignment of ISBN (International Standard Book Number) is done by the Danish Bibliograpic Center. More about the Danish ISBN office (in Danish)