Complementarity

/ˌkɒmplɪmɛnˈtærɪti/

Definitions

  1. (n.) The relationship between two or more legal principles or provisions that are mutually supportive and necessary for a complete understanding or application.
    The complementarity of these statutes ensures comprehensive consumer protection.
  2. (n.) In international law, the principle that a domestic legal system has primary jurisdiction over crimes unless it is unwilling or unable to prosecute, in which case international jurisdiction may apply.
    The International Criminal Court operates on the principle of complementarity with national courts.

Commentary

Often used in drafting to indicate that provisions should be read in conjunction; important to clarify scope to avoid overlap or gaps.

This glossary is for general informational and educational purposes only. Definitions are jurisdiction-agnostic but reflect terminology and concepts primarily drawn from English and American legal traditions. Nothing herein constitutes legal advice or creates a lawyer-client relationship. Users should consult qualified counsel for advice on specific matters or jurisdictions.

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