In 1980 the Andorran Parliament issued a decree that created the Legal Deposit ("Dipòsit Legal") and developed           the rules to regulate it.           The Decree provides the following with respect to the materials that may be the object of Legal Deposit:           "The materials that may be the object of Legal Deposit are writings, prints, images and musical compositions            produced in the national territory, in multiple counterparts for the purpose of their dissemination,           made by mechanical or chemical procedures. Also susceptible to be the object of Legal Deposit are the same           aforementioned materials produced or published abroad, if they are commercialised in Andorra and deal with           national aspects of Andorra."           (Extract from the Legal Deposit Regulations. Section 1).           A Legal Deposit number is granted free of charge. Application may be made by telephone, fax or directly at the BN,           which assigns each document its respective number. The Legal Deposit is, consequently, the service by which all the           publications produced in the country on Andorran subjects or others reach the BN, since all such material shall be           delivered to it compulsorily.           This service is of considerable importance since it allows the conservation of the works published in and on Andorra,           forming the basis for the establishment of the national bibliography.           According to the regulations, the Legal Deposit shall comprise all published material and it also supplies the archive           of ephemeral material (posters, informative sheets, advertising sheets, etc.). This archive forms a unique set of holdings           and it is of great historic value.         INSTRUCTIONS FOR THE USE OF THE LEGAL DEPOSIT           Materials bearing a Legal Deposit           - Books.           - Brochures of over 4 pages and under 50 pages in length: offprints, fascicles, programmes, catalogues, etc.           - Printed sheets with explanatory texts and/or illustrations (not advertising): triptychs and diptychs, handbills,              informative sheets, etc.           - Periodical publications (which shall always bear the same number): yearbooks, magazines, newspapers, etc.           - Pictures: postcards, plates, prints, picture-cards and Christmas cards. Artistic advertisements.           - Posters of shows, festivals and other public events.           - Philatelic first-day sheets.           - Others: musical scores, maps and plans, playing-cards, commercialised slides, audio recordings,              cinema productions, calendars, software.           Material not bearing a Legal Deposit           - Postage stamps           - Printed matter of social or private character:              invitations, visiting cards, obituary notes, documents, etc.           - Printed matter of commercial character: advertising.           - Office forms           How to state the Legal Deposit.           - The words "Dipòsit Legal" followed by a colon.           - The abbreviation for Andorra followed by a point (AND.)           - The registration number issued by the Service, followed by a hyphen.           - The respective year, in Arabic numerals.                     Example: Dipòsit Legal: AND.448-2001           Where to state the Legal Deposit:           - On the reverse of the title page in books, fascicles and similar publications           - In the nameplate of each issue of newspapers           - In a visible place on printed matter and posters           - On the reverse of the picture on postcards, prints, plates and similar materials           Remarks           A Legal Deposit shall be CHANGED:           - In the second and successive editions of a work           - In reprints with variations           - Three months from its request if the number has not been used           A Legal Deposit does NOT need to be CHANGED:           - In periodical publications, which shall be registered a single time with a single number per year,              and said number shall be preserved while the publication is in circulation (it is compulsory to deliver four copies              of each issue to the Legal Deposit service)           - In reprints without variations         DL Decree         DL Regulation