When is permission required?

Permission is required for any material that is not original. As a rule, written permission must be obtained from the rightsholder to re-use any copyrighted material. Typically, the rightsholder of published material is the publisher unless it is explicitly indicated otherwise. Copyrighted material can include figures, illustrations, charts, tables, photographs, and text excerpts. Re-use of any borrowed material must be properly acknowledged, even if it is determined that written permission is not necessary.

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