Related Rule
Australia
Practice Relating to Rule 146. Reprisals against Protected Persons
Section B. Wounded, sick and shipwrecked in the power of the adversary
Australia’s Commanders’ Guide (1994), referring to Article 46 of the 1949 Geneva Convention I, Article 47 of the 1949 Geneva Convention II and Article 20 of the 1977 Additional Protocol I, states: “Protected persons, such as … wounded and sick … should not be the subject of reprisals.” 
Australia, Law of Armed Conflict, Commanders’ Guide, Australian Defence Force Publication, Operations Series, ADFP 37 Supplement 1 – Interim Edition, 7 March 1994, § 1212.
Australia’s Defence Force Manual (1994) provides: “Reprisals against the wounded, sick, shipwrecked … are forbidden.” It further states: “Protected persons, such as … wounded and sick … should not be the subject of reprisals.” 
Australia, Manual on Law of Armed Conflict, Australian Defence Force Publication, Operations Series, ADFP 37 – Interim Edition, 1994, §§ 985 and 1311.
Australia’s LOAC Manual (2006) states: “Reprisals against the wounded, sick, [and] shipwrecked … are forbidden.” 
Australia, The Manual of the Law of Armed Conflict, Australian Defence Doctrine Publication 06.4, Australian Defence Headquarters, 11 May 2006, § 9.90; see also § 13.19.
The LOAC Manual (2006) replaces both the Defence Force Manual (1994) and the Commanders’ Guide (1994).