To join and promote the development of this self-regulatory system, it is necessary to fill in the joining form in which the fees for the current year are stated. Afterwards the form is sent by clicking on the “Send” key, or it is also possible to download it by clicking here and fax it to Confianza Online to this number (+34 91 402 83 39), or by postal mail to this address (Pl. Manuel Gómez Moreno, s/n -Edif. Bronce- 28020 Madrid); another option is scan it and send it to this e-mail address (adhesion@confianzaonline.es).