Togo’s Military Manual (1996) states that reprisals “may only be used if: … they cease as soon as the violation [of the law of war] which has triggered them ceases”.
Togo, Le Droit de la Guerre, III fascicules, Etat-major Général des Forces Armées Togolaises, Ministère de la Défense nationale, 1996, Fascicule III, p. 13.