You can describe & deposit your metadata in VIVO, the University's Research Data Discovery Portal anytime during the research data lifecycle, to comply with point
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'The metadata accompanying your data should be written for a user 20 years into the future ... Prepare the metadata for a user who is unfamiliar with your project, methods, or observations.'
Metadata is usually structured according to existing standards or 'schemas'. The most common metadata schema is probably Dublin Core, developed in 1995.
1. Title of dataset or data collection - unique ie. not the same as grant title
2. Description of dataset or data collection
3. Data creators
4. Coverage dates
5. Grant Title (or Grant Number) & funding Body (if applicable)
6. FOR codes
7. Storage and file information
8. IP ownership & access statement
9. Contact for access
10. Keywords for discovery (free text & controlled vocabularies)