On 30 August, in compliance with the adjustment clause established in the 2018 joint agreement, the trade union La Bancaria in Argentina signed an agreement with the ABE Chamber that adds a 4% wage increase from 1 August, plus another 4% to from 1 September, to the wages of the month of December. Thus, a 28% increase was reached as of September 1, compared to December 2017.
See here for the original press release in Spanish.