A blueberry producer from the northeast put it to me exactly like this: "I have 40 harvesters spread out in plots that are half an hour apart from each other, there is no cell signal even at the main house, and the AFIP asks me for records. What do I do?". It is the fundamental question of the Argentine countryside. Attendance control for rural personnel does not fail due to the employer's bad will; it fails because tools designed for an office are useless in a lot 15 kilometers from town. Here I explain the applicable regime, what RENATRE asks for, and how to solve workday registration when there is no internet or a time clock.