Legal services review of legality of weapons under international law army regulation 27 53 effective 1 february 1979 history this update issue is a reprint of the original form of this regulation that was published on 1 january 1979 since that time n o c h a n g e s h a v e b e e n i s s u e d t o a m e n d t h e original summary applicability see paragraph 2 p r o p o n e n t a n d e . Legal services review of legality of weapons under international law army regulation 27 53 effective 1 february 1979 history this update issue is a reprint of the original form of this regulation that was published on 1 january 1979 since that time n o c h a n g e s h a v e b e e n i s s u e d t o a m e n d t h e original summary applicability see paragraph 2 p r o p o n e n t a n d e . O changes the title of the regulation from review of legality of weapons under international law to legal review of weapons and weapon systems cover o updates the regulation to reflect developments in the acquisition system and international law throughout this publication supersedes ar 27 53 dated 1 january 1979 ar 27 53 o 2 3 septembe r 2019 unclassified i headquarters . Icrc a guide to the legal review of new weapons means and methods of warfare measures to implement article 36 of additional protocol i of 1977 2006 88 international review of the red cross 931 especially 934 fn 8. Establishing a legal review mechanism the legal review applies toweapons in the widest sense as well as the ways in which they are used bearing in mind that a means of warfare cannot be assessed in isolation from its expected method of use the legal framework of the review is the international law applicable to the state including