| Not yet in force: | (see article 73 of the Constitution). |
| Status: | ,Parties: 52. |
| Text: | World Health Assembly, resolution WHA 31.18, Official Records of the World Health Organization, No. 247, p. 11. |
Note: The amendment to article 74 of the Constitution of the World Health Organization was adopted by the Thirty-first World Health Assembly by resolution WHA 31.18 of 18 May 1978.
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| Participant | Acceptance (A) |
| Algeria | 14 Sep 1987 A |
| Australia | 29 Sep 1981 A |
| Bahrain | 19 May 1982 A |
| Belgium | 1 Feb 1980 A |
| Bhutan | 14 Apr 1999 A |
| Canada | 29 Apr 1999 A |
| Cape Verde | 26 Nov 1979 A |
| Cyprus | 3 Apr 1987 A |
| Dominica | 13 Aug 1998 A |
| Egypt | 4 Mar 1981 A |
| Fiji | 9 Feb 1999 A |
| Finland | 15 May 1980 A |
| France | 6 Oct 1980 A |
| Greece | 7 Dec 1998 A |
| Guatemala | 12 Feb 1980 A |
| Iceland | 22 Jul 1983 A |
| Iraq | 17 Sep 1984 A |
| Jordan | 30 Aug 1982 A |
| Kuwait | 2 Jan 1980 A |
| Lebanon | 10 Jan 1986 A |
| Libyan Arab Jamahiriya | 20 Apr 1981 A |
| Luxembourg | 22 Jun 1982 A |
| Madagascar | 16 Sep 1999 A |
| Malawi | 3 Jul 1979 A |
| Maldives | 6 May 1999 A |
| Mauritania | 27 May 1982 A |
| Monaco | 3 Feb 1983 A |
| Morocco | 2 Mar 1987 A |
| Mozambique | 9 Jul 1998 A |
| Nauru | 6 Aug 1998 A |
| Netherlands35 | 5 Jan 1982 A |
| Niger | 18 Apr 1979 A |
| Niue | 12 Oct 1998 A |
| Norway | 18 Apr 1979 A |
| Oman | 18 Jul 1985 A |
| Qatar | 25 Apr 1985 A |
| Russian Federation | 1 Apr 1982 A |
| Samoa | 19 Aug 1998 A |
| San Marino | 28 Oct 1980 A |
| Saudi Arabia | 30 Oct 1978 A |
| Singapore | 17 Apr 1979 A |
| Sudan | 12 Feb 1999 A |
| Syrian Arab Republic | 18 Dec 1979 A |
| Thailand | 22 Jul 1998 A |
| the former Yugoslav Republic of Macedonia | 9 Mar 1999 A |
| Togo | 15 Dec 1998 A |
| Tunisia | 30 Sep 1983 A |
| United Arab Emirates | 18 Aug 1982 A |
| United Republic of Tanzania | 23 Sep 1998 A |
| United States of America | 10 Dec 1980 A |
| Viet Nam | 4 Jun 1999 A |
| Yemen31 | 8 Mar 1982 A |