Соответствующая норма
Sweden
Practice Relating to Rule 100. Fair Trial Guarantees
Section N. Non bis in idem
Sweden’s IHL Manual (1991) considers that the fundamental guarantees for persons in the power of one party to the conflict as contained in Article 75 of the 1977 Additional Protocol I are a part of customary international law. 
Sweden, International Humanitarian Law in Armed Conflict, with reference to the Swedish Total Defence System, Swedish Ministry of Defence, January 1991, Section 2.2.3, p. 19.
Upon ratification of the 1977 Additional Protocol I, Sweden stated in relation to Article 75 that “paragraph 4, sub-paragraph (h) shall be applied only to the extent that it is not in conflict with legal provisions which allow, in exceptional circumstances, the reopening of proceedings which have resulted in a final conviction or acquittal”. 
Sweden, Reservations made upon ratification of the 1977 Additional Protocol I, 31 August 1979, § 2.