# The Export Control (Amendment) Regulations 2026, Regulation 8: Amendments to Definitions


(1) The section headed Definitions of Terms used in this Annex is amended as follows.
(2) For the definition of ““Riot control agent””, including the Technical Note, substitute—
““Riot Control Agent” (“RCAs”) means substances which, under the expected conditions of use for riot control purposes, produce rapidly in humans sensory irritation or disabling physical effects which disappear within a short time following termination of exposure.
Technical Note:
Tear gases are a subset of “RCAs”.
Note:
“RCAs” include:
1. a-Bromobenzeneacetonitrile, (Bromobenzyl cyanide) (CA) (CAS 5798-79-8);
2. [(2-chlorophenyl) methylene] propanedinitrile, (o-Chlorobenzylidenemalononitrile) (CS) (CAS 2698-41-1);
3. 2-Chloro-1-phenylethanone, Phenylacyl chloride (ω-chloroacetophenone) (CN) (C reinforced AS 532-27-4);
4. Dibenz-(b,f)-1,4-oxazepine, (CR) (CAS 257-07-8);
5. 10-Chloro-5,10-dihydrophenarsazine, (Phenarsazine chloride), (Adamsite), (DM) (CAS 578-94-9);
6. N-Nonanoylmorpholine, (MPA) (CAS 5299-64-9).”.

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Source: https://www.legislation.gov.uk/uksi/2026/1150/regulation/8 (the official version)
Page: https://openlegislation.uk/export-control-amendment-regulations-2026/regulation-8
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.