Hyper linking. To assist the document reader in accessing related documents hyperlinks inside documents must be supported. It is a requirement that there is an interface, which can capture all hyperlink/-URL calls from a document, and query the database to locate the linked document. Links must always point to the current approved version of a document Easy retrieval of stored documents is ensured through the use of advanced search capabilities built on Meta tagging primarily and indexing as relevant. The EDMS will support the following functionality from its own as well as from other MACS systems user interface: • Browse and search for documents and information • Check in and check out documents • Supersede and update documents • View a document's version history • Approve documents for publishing • Publish documents for viewing by a larger community of users. Access to EDMS is controlled by MACS.