Accessibility Creator Date Identifier Publisher Subject Title Coverage Language 1 Accessibility MA M 2 Addressee O N/A 3 Aggregation O N/A 4 Audience O O 5 Contributor O O 6 Coverage R R 7 Creator M M 8 Date M M 9 Description O O 10 Digital signature O N/A 11 Disposal O O 12 Format O O 13 Identifier MA M 14 Language R R 15 Location O N/A 16 Mandate O N/A 17 Preservation O N/A 18 Publisher MA M 19 Relation O O 20 Rights O O 21 Source O O 22 Status O O 23 Subject M* M* 24 Title M M 25 Type O O