On 8 May 1981, the Swiss Federal Department of Foreign Affairs sent to the States Parties to the Geneva Conventions of 12 August 1949 a notification concerning Protocol I adopted on 10 June 1977:

The Federal Department of Foreign Affairs, not having received from the States concerned, within the period of 90 days, any objection to its proposal, dated 20 January 1981, to make a correction to the authentic French and Spanish texts of Protocol I, where an error had been found, has made the proposed correction in the authentic French and Spanish texts of article 59, paragraph 2, first sentence.