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Information Group | Information Unit | Definition | Field Type |
|---|---|---|---|
Date information | Date - association | How a date relates to an event in an object's history. | Controlled list |
| Date - earliest/single | The earliest probably or exact date at which an event in an object's history is thought to have occurred. | Calendar Date |
| > Date - earliest/single certainty | A term describing the extent to which the Date - earliest/single recorded is thought to be correct. | Controlled list |
| > Date - earliest/single qualifier | A qualification of the earliest probably or exact date at which an event in an object's history is thought to have occurred. | Controlled list |
| Date - latest | The latest probably date at which an event in an object's history is thought to have occurred. | Calendar Date |
| > Date - latest certainty | A term describing the extent to which the Date - latest recorded is thought to be correct. | Controlled list |
| > Date - latest qualifier | A qualification of the latest probably date at which an event in the object's history is thought to have occurred. | Controlled list |
| Date - period | A textual expression of the period when an event in an object's history is thought to have occurred. | Text (eventually Subject Authority) |
| Date text | The textual expression of the date or date span when an event in an object's history is thought to have occurred. | Text |