In Andalucia business owners or self employed people have the choice, either offer their customers complaint forms in paper form, or subscribe to an online service. The sign to display on the premises should reflect the website address of the Junta if the latter is the case. You need a digital certificate installed on your computer to be able to use this service as a consumer.
More info
Note that on the link there is also the option to download a copy of the form to use, to fill out and print, for those that do not have a digital certificate.
General info from the Junta
Valencia offers the same service, both in paper and online, click the link marked ´telematica´ about 2/3 down the page that you access through
For other autonomous regions, just Google ´hojas de reclamación´ and the name of your region´s governing body to bring up the information.
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