The Party taking the tariff action shall apply the action only for the minimum period necessary to achieve the substantially equivalent effects.

采取关税措施的缔约方应该把其措施限制在能达到大致相同效果的最短期限内。

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Under an IPP, offenders convicted of a wide range of offences are given a minimum tariff.

BBC: Indefinite jail sentences 'harm' inmates

Christopher Halliwell, 48, was jailed in October for life with a minimum tariff of 25 years for the murder of Sian O'Callaghan, 22, from Swindon.

BBC: Christopher Halliwell murder tariff to stand

Remanding Cavan into custody, the judge adjourned fixing the minimum tariff until pre-sentence probation reports, psychiatric reports and a victim impact statement have been compiled.

BBC: The apartment block where a man's body was found