resourceFormat found - preferred place is distributionInfo/*/distributionFormat. geographicIdentifier found - preferred place is MD_Keyword[type='place']. MD_Format/formatDistributor found - preferred place is distributionInfo/*/distributor. distributorFormat found - preferred place is distributionInfo/*/distributionFormat. transferOptions found - preferred place is distributor/*/distributorTransferOptions. it is not preferred to describe MD_Identifier.authority in CI_Citation.identifier. That will cause too much bloating. it is suggested (as the most interoperable style) to have text content (now "") same as @codeListValue ("").