Punishment for an offence for which criminal proceedings are instituted in Iceland under Art. 5 may not exceed the maximum punishment prescribed for the offence in the defendant’s home state (cf. item 1) or in the state where the offence was committed (cf. item 2). … 1) 1) L. 72/1993, 4. gr. [Art. 8 a If a person has been sentenced in the state where the offence was committed (cf. item 2 of the first paragraph of Article 5), or in a member state of the Convention on the International Validity of Criminal Judgments of 28 May 1970 [or of international agreements applying under the Schengen Scheme] he or she shall not be indicted or sentenced in Iceland, and no sanctions shall be enforced on account of the offence for which the person was subjected to judgment in that state, if: 1. he or she was acquitted, 2. the sanctions imposed have already been enforced, or are being enforced, or have lapsed or been waived in accordance with the law in the state where judgment was rendered, or 3. he or she has been convicted without any punishment or other sanctions being determined. The provisions of the first paragraph shall not apply to offences covered by Article 4 and item 1 of Article 6 unless criminal proceedings have been instituted in the other state at the request of the Icelandic authorities.] 1) 2) 1) L. 15/2000, 1. gr. L. 72/1993, 5. gr. 2) [Art. 8 b If criminal proceedings are instituted in Iceland against a person for offences for which he or she has already been subjected to sanctions in another state, the sanctions determined in Iceland shall be correspondingly mitigated, or shall be waived, as appropriate, to the extent that the sanctions have already been enforced in the other state.] 1) 1) L. 72/1993, 6. gr. Art. 9 … 1) 1) L. 13/1984, 28. gr. Art. 10 If the Icelandic state has a person extradited for punishment from another state, he or she may neither be sentenced for offences committed prior to the extradition other than those for which the extradition is made, if the foreign state has set such a condition, nor to a more severe punishment than that which the foreign state has specified. Art. 11 The provisions of Articles 4–6 … of this Act shall be applied subject to the limitations entailed by the principles of international law. 1) 1) L. 42/1985, 1. gr.