[
	{"licence_id":"cc0-1.0","name":"CC0 1.0 Universal","spdx_id":"CC0-1.0","url":"https://creativecommons.org/publicdomain/zero/1.0/","share_alike":false,"attribution_required":false,"commercial_ok":true,"redistribution_ok":true,"notes":"Public domain dedication. Composes with everything."},
	{"licence_id":"cc-by-4.0","name":"Creative Commons Attribution 4.0","spdx_id":"CC-BY-4.0","url":"https://creativecommons.org/licenses/by/4.0/","share_alike":false,"attribution_required":true,"commercial_ok":true,"redistribution_ok":true,"notes":"Attribution required; no share-alike obligation."},
	{"licence_id":"cc-by-igo-3.0","name":"Creative Commons Attribution 3.0 IGO","spdx_id":"CC-BY-3.0-IGO","url":"https://creativecommons.org/licenses/by/3.0/igo/","share_alike":false,"attribution_required":true,"commercial_ok":true,"redistribution_ok":true,"notes":"Used by UN agencies. Attribution required; disputes go to arbitration rather than national courts."},
	{"licence_id":"cc-by-sa-4.0","name":"Creative Commons Attribution-ShareAlike 4.0","spdx_id":"CC-BY-SA-4.0","url":"https://creativecommons.org/licenses/by-sa/4.0/","share_alike":true,"attribution_required":true,"commercial_ok":true,"redistribution_ok":true,"notes":"SHARE-ALIKE. Derivatives must carry the same licence."},
	{"licence_id":"odbl-1.0","name":"Open Database License 1.0","spdx_id":"ODbL-1.0","url":"https://opendatacommons.org/licenses/odbl/1-0/","share_alike":true,"attribution_required":true,"commercial_ok":true,"redistribution_ok":true,"notes":"SHARE-ALIKE for derived databases. Mixing into another dataset propagates ODbL. OpenStreetMap uses this."},
	{"licence_id":"gov-open","name":"Government open data (terms unspecified)","spdx_id":null,"url":null,"share_alike":false,"attribution_required":true,"commercial_ok":true,"redistribution_ok":true,"notes":"Published by a government body without an explicit licence. Treated as reusable with attribution but NOT verified. Flag to users."},
	{"licence_id":"unknown","name":"Reuse terms unknown","spdx_id":null,"url":null,"share_alike":true,"attribution_required":true,"commercial_ok":false,"redistribution_ok":false,"notes":"No licence statement found. Treated as maximally restrictive: do not publish derived work without review."}
]