My company sometimes lends equipment with trucks (own and borrowed) to customers. Sometimes it happens that we drive to the customer quickly with a jumper because a part is missing or needs to be replaced quickly and no own drivers are on site. I have dealt with the EU guidelines a little bit and come to the point that we would have to carry a 28 day proof with us if we are travelling with a vehicle > as 2.8 tons zGG (according to driving my question: do we have the so-called craft clauses, so that up to 3.5 tons we have no recording obligation and from 3.5 to 7.5 tons only within the 50Km no recording obligation. We have no forwarding license and these journeys belong to our profession(job) however, they are only a small fraction of our work as we otherwise work in the office or in the warehouse. Thank you in advance. Fabs