Heritage preservation: administrative units must identify and report historical customs and excise artifacts for museum collection. Administrative units must submit to the Director, National Customs and Central Excise Museum, Goa a formatted inventory for potential exhibits, listing name, reference details, age, physical condition, origin/source, content, reasons as to historical or potential historical value, present custody and other remarks; offices must also factor historical value into indexing and weeding of records to support collection and preservation.