The consent provided in Item I of Art. 7 of this Law shall be given in writing or by another means that demonstrates the manifestation of the will of the data subject.
§1 If consent is given in writing, it must appear highlighted so as to stand out from the other contractual clauses.
§2 The burden of proof is on the controller to show that consent was obtained in compliance with the provisions of this Law.
§3 It is prohibited to process personal data if the consent is defective.
§4 Consent shall refer to particular purposes, and generic authorizations for processing personal data shall be void.
§5 Consent may be revoked at any time, by express manifestation of the data subject, through a facilitated and free of charge procedure, with processing carried out under previously given consent remaining valid as long as there is no request for deletion, pursuant to Item VI of the lead sentence of Art. 18 of this Law.
§6 If there is a change in the information as referred to in Items I, II, III or V of Art. 9 of this Law, the controller shall inform the data subject, with specific highlight of the content of the changes, in which case the data subject, in those cases where her/his consent is required, may revoke it if she/he disagrees with the change.