GDPR | Data Subject Rights (DSAR)
Overview of data subject rights and how to implement them.
Rights Overview
| Article | Right | Description |
|---|---|---|
| Art. 13/14 | RIGHT TO INFORMATION | At data collection: who, why, how long |
| Art. 15 | RIGHT OF ACCESS | Copy of all personal data |
| Art. 16 | RIGHT TO RECTIFICATION | Correction of inaccurate data |
| Art. 17 | RIGHT TO ERASURE (“right to be forgotten”) | Deletion of personal data |
| Art. 18 | RIGHT TO RESTRICTION | Suspension of processing |
| Art. 20 | RIGHT TO DATA PORTABILITY | Export of data in machine-readable format |
| Art. 21 | RIGHT TO OBJECT | Objection to processing |
| Art. 22 | RIGHT NOT TO BE SUBJECT TO AUTOMATED DECISION-MAKING | Human review of AI decisions |
Detailed Rights Overview
Art. 15 --- Right of Access
| Aspect | Detail |
|---|---|
| What | Copy of all personal data + metadata |
| When | Upon request from the data subject |
| SLA | 30 days (extension max +2 months) |
| Format | Electronically if request is electronic |
| Fee | Free (first copy), additional at cost |
What you must provide:
- Categories of data processed
- Purposes of processing
- Recipients of data
- Retention period
- Rights of the data subject
- Source of data (if not from the subject)
- Automated decision-making (if used)
Art. 16 --- Right to Rectification
| Aspect | Detail |
|---|---|
| What | Correction of inaccurate or incomplete data |
| SLA | 30 days |
| Evidence | Subject should provide correct data |
| Propagation | Inform recipients of the correction |
Art. 17 --- Right to Erasure
| Aspect | Detail |
|---|---|
| What | Deletion of personal data |
| SLA | 30 days (“without undue delay”) |
| Scope | All systems including backups |
| Propagation | Inform recipients of the deletion |
When you CANNOT erase:
- Legal obligation for retention (accounting, tax)
- Defence of legal claims
- Archiving in the public interest
- Scientific/historical research
- Exercise of freedom of expression
Art. 18 --- Right to Restriction
| Aspect | Detail |
|---|---|
| What | Suspension of processing (data remains) |
| When | During accuracy verification, during objection |
| SLA | 30 days |
| What is allowed | Storage only, no processing |
Art. 20 --- Right to Data Portability
| Aspect | Detail |
|---|---|
| What | Export of data in machine-readable format |
| When | If legal basis = consent or contract |
| SLA | 30 days |
| Format | JSON, XML, CSV |
| Direct transfer | If technically feasible |
Art. 21 --- Right to Object
| Aspect | Detail |
|---|---|
| What | Objection to processing |
| When | For legitimate interest or public interest processing |
| SLA | Immediately (direct marketing), otherwise 30 days |
| Consequence | You must stop, unless you have compelling grounds |
Art. 22 --- Automated Decision-Making
| Aspect | Detail |
|---|---|
| What | Right not to be subject to purely automated decisions |
| When | If the decision has legal or similarly significant effect |
| Rights | Human review, expression of views, challenge the decision |
| Exceptions | Contract, law, explicit consent |
DSAR Workflow
Request Processing
Implementation
Technical Requirements
| System | Requirement |
|---|---|
| Production DB | Export user data |
| CRM | Export customer data, delete capability |
| Marketing | Unsubscribe, delete, export |
| Analytics | Anonymisation or delete |
| Logs | Retention policy, pseudonymisation |
| Backups | Deletion after retention period |
| Third-party | DPA, cooperation agreement |
Data Subject Portal (Recommended)
Self-service portal for data subjects:
Response Templates
Access Request (Art. 15)
Subject: Response to personal data access request [DSAR-XXXX]
Dear [NAME],
Please find attached a copy of your personal data:
1. DATA CATEGORIES - Identification: [list] - Contact: [list] - Transactional: [list]
2. PURPOSES OF PROCESSING [list of purposes]
3. RECIPIENTS OF DATA [list of recipients]
4. RETENTION PERIOD [retention periods]
5. YOUR RIGHTS You have the right to rectification, erasure, restriction of processing and portability. You have the right to lodge a complaint with the supervisory authority.
Attachment: [file.zip]Password sent separately.
Kind regards,[DPO]Erasure Confirmation (Art. 17)
Subject: Confirmation of personal data erasure [DSAR-XXXX]
Dear [NAME],
We confirm the deletion of your personal data:
DELETED DATA:- Account and profile- Transaction history- Communications
RETAINED DATA (legal obligation):- Accounting records (10 years by law)
DATA DELETED FROM:- Production database: [DATE]- Backups: by [DATE]- Third-party: [list]
Kind regards,[DPO]Exceptions and Refusal
When You Can Refuse
| Reason | Example |
|---|---|
| Cannot verify identity | Subject did not provide sufficient evidence |
| Manifestly unfounded | Vexatious repeated requests |
| Excessive request | Too frequent, too extensive |
| Legal restriction | Legal claims, investigation |
Obligations When Refusing
- Inform the subject of the reasons
- Inform about the right to complain to the supervisory authority
- Inform about the right to judicial remedy
- Document the decision
DSAR Register
| DSAR ID | Date received | Subject | Type | Status | Deadline | Response |
|---|---|---|---|---|---|---|
| DSAR-2026-001 | Access | |||||
| DSAR-2026-002 | Erasure |
KPIs
| Metric | Target |
|---|---|
| Average response time | <20 days |
| Compliance rate (within 30 days) | 100% |
| Rejection rate | <5% |
| Customer satisfaction | >80% |
Next Steps
- Subject rights understood
- Compliance checklist
- Implement DSAR workflow
- DSAR template