The accountant's call at nine in the morning has been the same since the end of 2024: "So, how do we register him now, with the old probation period or the new one?". The Law 27.742 (Bases Law) package along with DNU 70/2023 changed the game, and the SME employer was left with the task of putting the house in order without stopping operations. Here is the concrete checklist, with the steps I am applying this week with clients in retail, gastronomy, and services in CABA and Greater Buenos Aires.