This instrument is the Chemical Weapons (Prohibition) Amendment (Annex on Chemicals) Regulations 2020.

(1) Each provision of this instrument specified in column 1 of the table commences, or is taken to have commenced, in accordance with column 2 of the table. Any other statement in column 2 has effect according to its terms.

Commencement information
Column 1	Column 2	Column 3
Provisions	Commencement	Date/Details
1. The whole of this instrument	7 June 2020.	7 June 2020

Note: This table relates only to the provisions of this instrument as originally made. It will not be amended to deal with any later amendments of this instrument.

(2) Any information in column 3 of the table is not part of this instrument. Information may be inserted in this column, or information in it may be edited, in any published version of this instrument.

3 Authority

This instrument is made under the Chemical Weapons (Prohibition) Act 1994.

4 Schedules

Each instrument that is specified in a Schedule to this instrument is amended or repealed as set out in the applicable items in the Schedule concerned, and any other item in a Schedule to this instrument has effect according to its terms.

Schedule 1—Amendments

Chemical Weapons (Prohibition) Regulations 1997

1 At the end of Schedule 1

Add:

[3] Amendment to Schedule 1 of the Annex on Chemicals—27 November 2019

At the end of Part A of Schedule 1 of the Annex on Chemicals, add:

(13)	Р‑alkyl (H or ≤C10, incl. cycloalkyl) N‑(1‑(dialkyl(≤C10, incl. cycloalkyl)amino))alkylidene(H or ≤C10, incl. cycloalkyl) phosphonamidic fluorides and corresponding alkylated or protonated salts

	e.g.	N‑(1‑(di‑n‑decylamino)‑n‑decylidene)‑P‑decylphosphonamidic fluoride	(2387495‑99‑8)
		Methyl‑(1‑(diethylamino)ethylidene) phosphonamidofluoridate	(2387496‑12‑8)

(14)	O‑alkyl (H or ≤C10, incl. cycloalkyl) N‑(1‑(dialkyl(≤C10, incl. cycloalkyl)amino))alkylidene(H or ≤C10, incl. cycloalkyl) phosphoramidofluoridates and corresponding alkylated or protonated salts

	e.g.	O‑n‑Decyl N‑(1‑(di‑n‑decylamino)‑n‑decylidene) phosphoramidofluoridate	(2387496‑00‑4)

	Methyl (1‑diethylamino)ethylidene)phosphoramidofluoridate		(2387496‑04‑8)
	Ethyl (1‑(diethylamino)ethylidene)phosphoramidofluoridate		(2387496‑06‑0)

(15)	Methyl‑(bis(diethylamino)methylene)phosphonamidofluoridate		(2387496‑14‑0)

(16)	Carbamates (quaternaries and bisquaternaries of dimethylcarbamoyloxypyridines)
	Quaternaries of dimethylcarbamoyloxypyridines:

	1‑[N,N‑dialkyl(≤C10)‑N‑(n‑(hydroxyl, cyano, acetoxy)alkyl(≤C10)) ammonio]‑n‑[N‑(3‑dimethylcarbamoxy‑α‑picolinyl)‑N,N‑dialkyl(≤C10) ammonio]decane dibromide (n=1‑8)

	e.g.	1‑[N,N‑dimethyl‑N‑(2‑hydroxy)ethylammonio]‑10‑[N‑(3‑dimethylcarbamoxy‑α‑picolinyl)‑N,N‑dimethylammonio] decane dibromide	(77104‑62‑2)

	Bisquaternaries of dimethylcarbamoyloxypyridines:
	1,n‑Bis[N‑(3‑dimethylcarbamoxy‑α‑picolyl)‑N,N‑dialkyl(≤C10) ammonio]‑alkane‑(2,(n‑1)‑dione) dibromide (n=2‑12)

	e.g.	1,10‑Bis[N‑(3‑dimethylcarbamoxy‑α‑picolyl)‑N‑ethyl‑N‑methylammonio]decane‑2,9‑dione dibromide	(77104‑00‑8)