... .j?OP 

MINIMUM SECURITY ST.ANDARnS FOR THE CLASSIFICATION, TJWl~lON AND PHYSICAL SECURITY OF CDIINT . . .. . .. 

lo All COMINT resul.ting trom t •.agreement will be 

:·: '. f 

clue1tied aa agreed between the COHINT aut.horitieai ot both Xiations, a_nd vUl 

be distributed onl1" to thee e COMINT indoctrinated indtvidwU.e Wb.o re~ it 

in the pertormance ot their d.utieso 

&o The UoSo vW. claaaitr OOHIN'l' mate.~ provided tol I as 

SECRET or TOP SECRET, according to contento ira~erial clasl$itlts<i aa SECRET 

CODEi«>RD 'b1" the UoSo will normal.J.¥ be classitied TOP SECRET 'tt:>r exc~ge with 

I '

Norwqo Non=oodeword materials will be cl.Us:Ltieci tor this mtchange in accordance \ _ .. ,!-- -.:--- ---i----- I 

with ·the appl'Opriate UoSo claaaitication, except that no COM1NT material v1ll bs 

classified lower than SJOORET. 

bo The UoSo v1ll accept COMINT JD$,ter1-].a tt-oml._ __ ..... 1.cl.asstfied either 

in ~co~~~ ld:th existin~ PoUc;r • or with u.s.~ I agreement on 

___ __.I application of para l aboveo 

2o The COMINT authorities of each Motion will insure against revelation 

ot the aource ot COMINT resulting from/the agreement by means ot. apecia.1. d'9sigriat1on 

and/or caretul.11' controlled handling procedtu'es tor every sheet ot paper containing 

results t'rom, or disclosing the existence o-£ this agreement. .Protection o~ CO.MINT 

~e 8hall be accomplished either by: 

ao Adoption of ~eed supplemnt81'J' codnords byD to designate 

COMINT material.a~ or 

bo Use of other devices or special handling procedures byD to 

provide source protection at least equivalent to that provided by UKUSA standard.a 

and regulationso 

.30 The UoSo an~ jwill use agreed excbapge designators to cover the 

following aspects of UeSo~ P,mT liaison under the terms ot the 
<']Eo 3. 3 ( h) ( 2) 

PL 86-36/50 USC 3605 

agreement: 

&o COMINT ~te~ (!Deluding reeUlt• deri..ed theretl'om) provided b7 

the UoSo t<t I (lb~.nding UoKo produced items)/ lllh!.ch can be integrated into 

....._ __ __.lcoHitrr productso 

bo COMINT material.a. (including :reaulta del"im therefrom) pro~ded bJ" 

the u.s. to LJvbich must be giwn special hudl 1ng. and! which under no 

c:lrcumatancea can be pasaed to other tbel r~ecmnelo 

Co C0MINT •terials provided 1>11 fto the UeSo 

cu-1 --lagrees to uae aupplement&1'7 /COdetlO?'da aa in 2a aboYe.t such codnorda 

JDQ" be uaed to COYer.t inaOtar/aa practicable. these aspects ot u.s.~ .... ___ .... 

COMINT liaiaono) 

4o It I lde~a to uae/iaome device or .,cial handling procedure 

tor protection ot OOMift source./instead. ot aupplementarJ' codewords• and does not 

vaS mdi.vidual. she.eta ot material. marked with agr•ed exchange designators. it 

llhall be permiea1ble to uae /the designator on the cower eheet(a) onq tor each 

ah:ipnent ot material. In this eYent the u.s. nmat; be aaaured that all material. 

will receiw limited and.icontrolled hand11ng and diatribution within the 

____ ICOMINT act1vtt7. 

So Documents oord;ainmg COMINT information• should be doubl.e=vrapped and 

addressed to a COMINT indoctrinated officer (b)- .name• no't !unction); the inner 

envelope ahould bear the appropriate aecurit7 claaaiticationo As a m1nimmn 

security requirement• such documents must be sent by hand ot o.tticer or by a 

secure couriet" service., 

&o // DoCUIDBi'.lte from the UoSo to I .... ___ I will be addressed to a designated 

....._ ___ ltoMINT recipient• and will be tranamit.t.ecl to such recipient through 

2 

TOP SECRET 
.. j10P '"Eo 3 . 3 ( h) ( 2 ) 

PL 86-36/50 USC 3605 

mp S§9ftE 

the NSA Lidson Ot.tJ_~er iriCj The BSA 11 aieon otticer will receiw tram the 

...__ __ __.I recip1ent properJ-7 executed receipt• ror an -.terials deliftredo 

to tm ~-=~=Ea~t.;:s~:~·~~~ ~-=:: 6. If comint materials is tranemitted within either nati,on b7' electrical 

means or b7 A1J7 peyncal means not cempleteq aecure • it muat be eaceypted in 

a secure cr.JPtographic channel reaened excluai~ tor this requiremanto The 

camrr authorities ot each nation ~ addit-1onal17 1naure i;hat when CXlilNT ia 

transmitted to the other it ia encr.Jpted in a cryptographic cbanne1 speciall.7 

-.pproved b1" COMINT authorities ot the other nationo 

&o Electrical communications between the UoSo ~ .... ___ .... I COMIBT 

organisations will be so UT8Dged that it 1!fill not be poaaibl• to identity such 

eommmications as being between the respective COMINT orga.nizatian~c 

bo The UctSewill establish a prlftte cryptochannel tor direct eommmica= 

tiona betvoen the NSA liaison ot.tioer ~d the Director• NSAo • This channel will 

be the excluld.va channel tor passing commm1cationa which must be handled in 

OOMINT chamle1s onqo 

Co .Messages trom _I --~o the UoSG will be either encrypted b,y the 

.__ __ ___,Vin a cryptographic system prorided b7 the UoSo an<t p&alJed in enceypted 

.torm to thCJ NSA liaison ofticer tor tranl!IJDiasion to the Director• NSA, Y1a 

channel.a speciticall.1' agreed upon between the u.s. andl ~' or the7 will be 

paased direct~ to the NSA liaieon ot.ticer tor encryption and tranamiaaion to 

the Director• NSAo 

7 o The highest standard o~ physical security must be applied to the custody 

ot COMINT bJ' all persons autboriHd to receiw ito Normall.7 • except when in 

tranait. under conditions prescribed herein, CO!IINT materie~ ?' and commmications 

relating thereto must, at all times be: 

TOP SECRET 

3 
.. ' .. 

'f9P HSR!l 

ao under the d1rect aurftillance ot a COMIHT indoctrinated pereon 

responaibl.e tor their sat&:=>Jceeping. or 

be locked in a three=oombination ate accesaible only to COMIH'l' 

indoctrinated perecmnel. or 

Co· otored in a locked compartment which 1a under constant aurTtdllance 

b7 an armed aentey mid which is acceaeibl• onq to COM:tNT lllldoctrinated ~sonnelo 

So COMIHT documente muat be destroyed. as soon as they have ceased to be ot 

uae. Thia 1a part.icularq important under basard.oua condit.ionao 

9. In order that necesaar,y operational use can be made of certain t1J>9s 

ot J.ow:.:.level. ta~ical COMINT (euch ae direct.ion finder results and plain text 

messages) on which innnediate action mwit obviouaq be taken in combat operations. 

the UoSo andl IN~tional Authorities mq permit the dissemination ot such 

OOMIN! at a classitica'tion nOt be].ov CONFIDDTIAL. to unindoctrinated recipients 

EO 3 . 3 ( h) ( 2 ) 

PL 86-36/50 USC 3605 

\ 

10. In exceptional instances where it is essential tor immediate operational 

purposes. information based on COMINT mq, as apeciti~ authorized by 

appropriate National COMINT authority, be disseminated to unindoctrinated 

individual.a, provided the source is not disclosed., Where possible• names, times, 

positions 1 and other data identica.l with that from the original text must be 

omitted, or it the retention ot such an item is essential, must be caretul..q' 

paraphrased• such information must be pa•ised by a socure dispatch service, 

by a secure line, or in a cipher system approved b)" the National COMINT authorit7 

tor this requirement. It must not be passed 1n clear by radio (including 

radiote1ephoneo) 

ll. Each nation will. upand these standards into a set ot regulations 

adapted to local conditions. Copies of the COMINT security regulations io 

developed nu bo excmr8(}?1gh 8'~l €8R1E T 

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