A temporary duty levied on imports of a particular product to prevent or remedy serious injury from increased imports (as established in an investigation), and to facilitate adjustment.  Where the expected duration of the measure is more than one year, it must be progressively liberalized during the period of application.
Example: A safeguard duty of three years' duration has been imposed on imports of “Gamma Ferric Oxide”.  The level will be 15% during the first year, 10% during the second year, and 5% during the third year.