Dear all, We’re happy to announce the opening of a minimum 30-day period for public review for the following set of proposed changes to Darwin Core. Please refer to the documentation we have provided on the review process and the maintenance of the Darwin Core standard in general at https://github.com/tdwg/dwc/wiki/Darwin-Core-Maintenance-Frequently-Asked-Qu... . For your reference and convenience we are providing a table with links to the proposed changes, organized in keeping with the order in the Darwin Core Quick Reference Guide (https://dwc.tdwg.org/terms/). The relevant issues are also listed in the following milestone: https://github.com/tdwg/dwc/milestone/14. Your comments are welcome and important for the evolution of the Darwin Core standard. Thank you The Darwin Core Maintenance Team Category Term Issue Action Nature Record-level bibliographicCitation https://github.com/tdwg/dwc/issues/336 change non-normative Record-level references https://github.com/tdwg/dwc/issues/335 change non-normative Occurrence recordedByID https://github.com/tdwg/dwc/issues/102 new normative Occurrence individualCount https://github.com/tdwg/dwc/issues/285 change non-normative Occurrence organismQuantity https://github.com/tdwg/dwc/issues/338 change non-normative Occurrence lifeStage https://github.com/tdwg/dwc/issues/321 change non-normative Occurrence occurrenceStatus https://github.com/tdwg/dwc/issues/342 new vocabulary normative Occurrence occurrenceStatus https://github.com/tdwg/dwc/issues/339 change normative Occurrence preparations https://github.com/tdwg/dwc/issues/346 <https://github.com/tdwg/dwc/issues/339> change non-normative Occurrence disposition https://github.com/tdwg/dwc/issues/347 <https://github.com/tdwg/dwc/issues/339> change non-normative Occurrence associatedMedia https://github.com/tdwg/dwc/issues/337 change non-normative Occurrence associatedReferences https://github.com/tdwg/dwc/issues/334 change non-normative Occurrence associatedSequenes https://github.com/tdwg/dwc/issues/332 change normative Occurrence associatedTaxa https://github.com/tdwg/dwc/issues/331 change non-normative Organism associatedOccurrences https://github.com/tdwg/dwc/issues/324 change non-normative Organism associatedOrganisms https://github.com/tdwg/dwc/issues/330 change non-normative MaterialSample verbatimLabel https://github.com/tdwg/dwc/issues/32 new normative Event samplingProtocol https://github.com/tdwg/dwc/issues/322 change normative Event biome https://github.com/tdwg/dwc/issues/38 new normative Location country https://github.com/tdwg/dwc/issues/340 change non-normative Location locality https://github.com/tdwg/dwc/issues/315 change non-normative Location verbatimLocality https://github.com/tdwg/dwc/issues/323 <https://github.com/tdwg/dwc/issues/329> change non-normative Location verticalDatum https://github.com/tdwg/dwc/issues/246 new normative Location coordinateUncertaintyInMeters https://github.com/tdwg/dwc/issues/309 change non-normative Location footprintSRS https://github.com/tdwg/dwc/issues/122 change normative Location georeferenceVerificationStatus https://github.com/tdwg/dwc/issues/268 change normative Identification identificationQualifier https://github.com/tdwg/dwc/issues/244 <https://github.com/tdwg/dwc/issues/101> change non-normative Identification verbatimIdentification https://github.com/tdwg/dwc/issues/181 <https://github.com/tdwg/dwc/issues/101> new normative Identification identifiedByID https://github.com/tdwg/dwc/issues/101 new normative Taxon acceptedNameUsageID https://github.com/tdwg/dwc/issues/105 change non-normative Taxon parentNameUsageID https://github.com/tdwg/dwc/issues/105 change non-normative Taxon originalNameUsageID https://github.com/tdwg/dwc/issues/105 change non-normative Taxon subfamily https://github.com/tdwg/dwc/issues/44 new normative Taxon genericName https://github.com/tdwg/dwc/issues/29 new normative Taxon subgenus https://github.com/tdwg/dwc/issues/320 change normative Taxon infragenericEpithet https://github.com/tdwg/dwc/issues/30 new normative Taxon infraspecificEpithet https://github.com/tdwg/dwc/issues/241 change non-normative Taxon cultivarEpithet https://github.com/tdwg/dwc/issues/41 new normative ResourceRelationship relationshipOfResourceID https://github.com/tdwg/dwc/issues/283 new normative ResourceRelationship retationshipOfResource https://github.com/tdwg/dwc/issues/194 change non-normative DwCIRI measurementValue https://github.com/tdwg/dwc/issues/175 new normative MaterialCitation https://github.com/tdwg/dwc/issues/329 new normative