Related Rule
Portugal
Practice Related to Rule 95. Forced Labour
Section B. Compelling persons to serve in the forces of a hostile power
Portugal’s Penal Code (1996) provides that in times of war, armed conflict or occupation, compelling the civilian population, the wounded, the sick and prisoners of war to serve in the enemy armed forces is a war crime. 
Portugal, Penal Code, 1996, Article 241(e).