(1) Any person who in Mauritius or elsewhere commits, or is an accomplice in the commission by another person of, a grave breach of any of the [1949 Geneva] Conventions or of [the 1977 Additional] Protocol I shall commit an offence.

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(3) This section applies to persons regardless of their nationality or citizenship.

(4) Any person who commits an offence against this section shall, on conviction, be liable [to punishment].