The Bureau Decision of 2 July 2012 laying down rules on document management in the European Parliament (PE422.611/BUR) provides the legal basis for the activities of the European Parliament’s Historical Archives Unit.
The decision sets out rules for all departments in Parliament which are involved in document management (creation, receipt, registration, filing, conservation and communication.
It includes a number of measures designed to ensure greater transparency in the process of making Parliament's historical documents available to citizens. To this end, it establishes the principle of the centralisation of documents in the Historical Archives Unit.
The legal basis for the unit’s activities is supplemented by various other rules. These cover more specific aspects of document processing, in particular the conditions under which access may be gained to documents in the archives (implementation of and limits to the principle of transparency):