Related Rule
Denmark
Practice Relating to Rule 151. Individual Responsibility
Denmark’s Military Criminal Code (1973), as amended in 1978, provides:
Any person who uses war instruments or procedures the application of which violates an international agreement entered into by Denmark or the general rules of international law, shall be liable to the same penalty [i.e. a fine, lenient imprisonment or up to 12 years’ imprisonment]. 
Denmark, Military Criminal Code, 1973, as amended in 1978, § 25(1).
Denmark’s Military Criminal Code (2005) provides:
Any person who deliberately uses war means [“krigsmiddel”] or procedures the application of which violates an international agreement entered into by Denmark or international customary law, shall be liable to the same penalty [i.e. imprisonment up to life imprisonment]. 
Denmark, Military Criminal Code, 2005, § 36(2).
In the Sarić case in 1994, the Danish High Court found a Bosnian Croat refugee guilty on numerous charges of war crimes committed in a Croat-run prison camp in Bosnia in 1993. The Court based its judgment namely on the grave breaches provisions in Articles 129 and 130 of the 1949 Geneva Convention III and Articles 146 and 147 of the 1949 Geneva Convention IV. 
Denmark, High Court, Sarić case, Judgment, 25 November 1994.
In 1995, Denmark’s Supreme Court upheld his conviction. 
Denmark, Supreme Court, Sarić case, Judgment, 15 August 1995.