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COP-6 Dental Amalgam Amendment Enters Into Force March 23, 2027
Minamata Convention on MercuryUnited Nations Treaty Collection / Minamata Convention SecretariatGlobal
Announced
Feb 23, 2026
Effective
Mar 23, 2027
Implementation
Mar 23, 2027
Description
The COP-6 amendments to Annex A, including the dental amalgam phase-out provisions, will enter into force on March 23, 2027—one year from the date of communication by the Depositary. This marks the date when the amendments become legally binding on Parties that have not submitted a notification of non-acceptance under Article 27, paragraph 3(c) of the Convention. While the phase-out deadline for dental amalgam is 2034, the March 2027 entry-into-force date triggers implementation obligations including national reporting and planning requirements. Parties must begin preparing national action plans or progress reports on dental amalgam phase-down as required by the amended Part II of Annex A.
Sources
Key Findings
COP-6 Dental Amalgam Amendment Enters Into Force March 23, 2027
y, in writing, that it withdraws a previous notification of non-acceptance in respect of an amendment to an annex, and the amendment shall thereupon enter into force for that Party subject to paragraph 3 (c) of article 27. On the expiry of one year from the date of the communication by the depositary of the adoption of an amendment to an annex, the amendment shall enter into force for all Parties that have not submit
COP-6 Dental Amalgam Amendment Enters Into Force March 23, 2027
t of those products would not be allowed after 2025. COP-4 further decided to amend part II of annex A to the Convention by adding two additional provisions on dental amalgam. In accordance with article 26 and 27 of the Convention, the amendment entered into force on **28 September 2023** for all parties, except those who made a declaration with regard to amendment of annexes in accordance with paragraph 5 of Article