A decree was announced repealing several laws and deregulating several sectors of the economy, but it still needs to be considered constitutional by a "Bicameral Commission". Even then, Congress could still shut it down by other means. If Milei uses some mechanism to overrule Congress, this resolves as NO, i.e. this is about the actual enforcement rather than mere decisions.

https://www.reuters.com/world/americas/argentina-presidential-decree-unveiled-investors-keep-close-eye-congress-2023-12-21/