sunset clause

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Also found in: Financial.
Related to Subset Clauses: Sunset provision

sunset clause

or

sunset provision

n
1. (Law) chiefly US and Canadian a provision of a law that it will automatically be terminated after a fixed period unless it is extended by law
2. (Government, Politics & Diplomacy) chiefly US and Canadian a provision of a law that it will automatically be terminated after a fixed period unless it is extended by law