Workers who request a lump sum payment to set up a company or join a company that has already been set up must provide documentary proof that the amount received is intended for the mandatory social contribution and, additionally, the costs of setting up and operating the entity, as well as the payment of fees and taxes and up to 15 percent of the amount of the benefit to the payment of specific advisory, training and information services related to the activity to be undertaken, in the event in which the benefit was intended for them.