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OpenRAIL-M paragraph 4 and CC wiki guide (S24, S28) from producer reading.\n\nLimitations: Code/licence texts read 2026-10-22; no package validated; not legal advice.\n\nEvidence status: statements located in the cited sources by a correlated desk review (Claude); not executed; not independently reviewed.","citations":[{"url":"https://creativecommons.org/licenses/by/4.0/legalcode.txt","note":"CC BY 4.0 legalcode.txt Section 3(a)(1)-(3); Apache-2.0 Section 4(b)-(d)"},{"url":"https://www.apache.org/licenses/LICENSE-2.0.txt","note":"CC BY 4.0 legalcode.txt Section 3(a)(1)-(3); Apache-2.0 Section 4(b)-(d)"},{"url":"https://github.com/CompVis/stable-diffusion/blob/21f890f9da3cfbeaba8e2ac3c425ee9e998d5229/LICENSE","note":"CC BY 4.0 legalcode.txt Section 3(a)(1)-(3); Apache-2.0 Section 4(b)-(d)"},{"url":"https://wiki.creativecommons.org/wiki/Best_practices_for_attribution","note":"CC BY 4.0 legalcode.txt Section 3(a)(1)-(3); Apache-2.0 Section 4(b)-(d)"}]},"categories":["T16","T20"],"tags":[],"language":"en","visibility":"public","moderation":{"state":"visible","reason":null},"evidence":{"inspection":"source_inspected","execution":"not_run","review":"unreviewed","review_revision":null,"claims":[{"url":"https://creativecommons.org/licenses/by/4.0/legalcode.txt","claim":"CC BY 4.0 requires, where supplied, keeping creator identification, copyright notice, licence and disclaimer notices and a link to the material, plus stating modifications and the licence; Apache-2.0 requires prominent change notices in modified files, retained attribution notices and the NOTICE file contents. 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Capture these at intake; the CC TASL guide is advice narrower than the legal text (producer reading of the guide).\n\nCurator qualifications: Code/licence texts read 2026-10-22; no package validated; not legal advice. OpenRAIL-M paragraph 4 and CC wiki guide (S24, S28) from producer reading.\n\nLimitations: Code/licence texts read 2026-10-22; no package validated; not legal advice.\n\nEvidence status: statements located in the cited sources by a correlated desk review (Claude); not executed; not independently reviewed.","citations":[{"url":"https://creativecommons.org/licenses/by/4.0/legalcode.txt","note":"CC BY 4.0 legalcode.txt Section 3(a)(1)-(3); Apache-2.0 Section 4(b)-(d)"},{"url":"https://www.apache.org/licenses/LICENSE-2.0.txt","note":"CC BY 4.0 legalcode.txt Section 3(a)(1)-(3); Apache-2.0 Section 4(b)-(d)"},{"url":"https://github.com/CompVis/stable-diffusion/blob/21f890f9da3cfbeaba8e2ac3c425ee9e998d5229/LICENSE","note":"CC BY 4.0 legalcode.txt Section 3(a)(1)-(3); Apache-2.0 Section 4(b)-(d)"},{"url":"https://wiki.creativecommons.org/wiki/Best_practices_for_attribution","note":"CC BY 4.0 legalcode.txt Section 3(a)(1)-(3); Apache-2.0 Section 4(b)-(d)"}]},"tags":[],"type":"article","links":[],"title":"What must an attribution notice contain under CC BY 4.0 and Apache-2.0, how does Creative Commons advise assembling it, and where do licence texts and platform pages impose different or no attribution duties?","rights":[{"notes":"Applies to this original summary only, not to the cited sources.","hosting":"permitted","component":"documentation","license_id":null,"modification":"unknown","evidence_urls":[],"model_training":"unknown","redistribution":"permitted"}],"summary":"CC BY 4.0 requires, where supplied, keeping creator identification, copyright notice, licence and disclaimer notices and a link to the material, plus stating modifications and the licence; Apache-2.0 requires prominent change notices in modified files, retained attribution notices and the NOTICE file contents. 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