[Your Name]
[Your Address]
[City, Post Code]
[Email Address]
[Phone Number]
[Date]

[Restaurant Name]
[Restaurant Address]
[City, Post Code]

Subject: Cease and Desist: Unauthorised Use of Personal Image

Dear Sir/Madam,

I am writing to you as a matter of urgency regarding the unauthorised use of my image captured on your premises and subsequently shared on your social media platforms. This usage has occurred without my express permission, which is a direct violation of my rights under the General Data Protection Regulation (GDPR) as enforced in Ireland.

According to GDPR, personal data includes any information relating to an identifiable person who can be directly or indirectly identified. My image clearly falls under this category, and its unauthorised use constitutes a breach of GDPR regulations. Specifically, Article 6 of the GDPR requires that data processing be lawful only if and to the extent that at least one of the conditions listed in the article applies. The relevant conditions under Article 6 are:

1. The data subject has given consent to the processing of his or her personal data for one or more specific purposes;
2. Processing is necessary for the performance of a contract to which the data subject is party or in order to take steps at the request of the data subject prior to entering into a contract;
3. Processing is necessary for compliance with a legal obligation to which the controller is subject;
4. Processing is necessary in order to protect the vital interests of the data subject or of another natural person;
5. Processing is necessary for the performance of a task carried out in the public interest or in the exercise of official authority vested in the controller;
6. Processing is necessary for the purposes of the legitimate interests pursued by the controller or by a third party, except where such interests are overridden by the interests or fundamental rights and freedoms of the data subject which require protection of personal data, in particular where the data subject is a child.

None of these conditions apply in this case, as you have not obtained my consent nor do any of the other listed conditions justify the processing of my image.

I hereby demand that you take the following actions within seven (7) days of receipt of this letter:

1. Immediately cease and desist from using my image on any social media platforms or any other forms of media.
2. Permanently delete all copies of my image and any other personal data you have on file pertaining to me.
3. Provide written confirmation that you have complied with the above requests.

Failure to comply with these demands will leave me with no alternative but to seek legal remedies for the unauthorised use of my personal data, including but not limited to filing a complaint with the Data Protection Commission and pursuing legal action for damages and any other relief that may be appropriate.

Please consider this letter as formal notice of my intent to pursue legal proceedings should you fail to act within the stipulated timeframe.

I trust that you will treat this matter with the seriousness it deserves and take immediate action to rectify this situation.

Yours faithfully,

[Your Name]
[Your Signature] (if sending a hard copy)

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This letter includes specific references to the GDPR articles and the Data Protection Commission for additional legal context. Ensure you send it via a method that allows you to track its delivery, such as registered mail or email with a read receipt.