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Article 21
Right to object
Chapter 3|Rights of Data Subjects|📖 4 min read
1. The data subject shall have the right to object, on grounds relating to his or her particular situation, at any time to processing of personal data concerning him or her which is based on point (e) or (f) of Article 6(1), including profiling based on those provisions. The controller shall no longer process the personal data unless the controller demonstrates compelling legitimate grounds for the processing which override the interests, rights and freedoms of the data subject or for the establishment, exercise or defence of legal claims.
2. Where personal data are processed for direct marketing purposes, the data subject shall have the right to object at any time to processing of personal data concerning him or her for such marketing, which includes profiling to the extent that it is related to such direct marketing.
3. Where the data subject objects to processing for direct marketing purposes, the personal data shall no longer be processed for such purposes.
4. At the latest at the time of the first communication with the data subject, the right referred to in paragraphs 1 and 2 shall be explicitly brought to the attention of the data subject and shall be presented clearly and separately from any other information.
5. In the context of the use of information society services, and notwithstanding Directive 2002/58/EC, the data subject may exercise his or her right to object by automated means using technical specifications.
6. Where personal data are processed for scientific or historical research purposes or statistical purposes pursuant to Article 89(1), the data subject, on grounds relating to his or her particular situation, shall have the right to object to processing of personal data concerning him or her, unless the processing is necessary for the performance of a task carried out for reasons of public interest.
Understanding This Article
Article 21 provides data subjects with the right to object to certain types of processing, creating an important check on controller activities. The strength of this right varies depending on the type of processing.
Paragraph 1 - General Objection Right: Data subjects can object to processing based on legitimate interests (Article 6(1)(f)) or public tasks (Article 6(1)(e)) on grounds relating to their particular situation. Upon objection, the controller must stop processing unless they can demonstrate compelling legitimate grounds that override the data subject's interests, or the processing is necessary for legal claims. The burden of proof shifts to the controller.
Paragraphs 2-3 - Direct Marketing: This is an absolute right. Data subjects can object to processing for direct marketing purposes at any time, including related profiling. Once they object, the controller must stop all direct marketing processing - no balancing test applies.
Paragraph 4 - Information Requirement: Controllers must explicitly inform data subjects about their objection right at first contact, presented clearly and separately from other information (e.g., in privacy notices, not buried in fine print).
Paragraph 5 - Automated Objection: For information society services (online services), data subjects can exercise objection rights through automated technical means (e.g., browser settings, preference centers).
Paragraph 6 - Research Objection: For scientific, historical research or statistical purposes, data subjects can object based on their particular situation, unless processing is necessary for a public interest task.
Key Points
Can object to processing based on legitimate interests (Article 6(1)(f)) or public tasks (Article 6(1)(e))
Absolute right to object to direct marketing - must always be honored
Controller must cease unless they prove compelling legitimate grounds that override
Must be informed of objection right explicitly and separately at first contact
Can exercise via automated means for information society services
Research/statistical processing: can object based on particular situation
Practical Application
Direct Marketing Example - Must Honor:
A retailer sends promotional emails based on legitimate interests. A customer clicks "unsubscribe" or objects to marketing. The retailer must immediately stop all direct marketing to that customer, including emails, targeted ads, and marketing calls. No balancing test - the objection must be honored.
Legitimate Interests - Balancing Test:
A fraud detection system processes transaction data based on legitimate interests. A customer objects, claiming false positives affect them. The bank must assess whether their compelling legitimate grounds (preventing fraud, protecting other customers) override the individual's objection. If they can demonstrate this, processing can continue; otherwise, they must stop or find an alternative legal basis.
Public Task - Particular Situation:
A government agency publishes statistical data about neighborhood demographics. A resident objects based on their particular situation (e.g., concerns about being identified in a small area). The agency must assess whether their public interest task overrides the objection, considering the specific circumstances.
Information Requirement Example:
Good: "You have the right to object to our processing of your data for direct marketing. Click here to opt out."
Bad: Burying objection rights in paragraph 47 of a privacy policy
Automated Objection:
A website uses behavioral advertising. They implement a preference center where users can object with one click. For information society services, technical specifications like Global Privacy Control (GPC) or Do Not Track could be used to automatically communicate objections.