... have the information erased altogether from the database - for example, if the body keeping the information has no good reason to hold it (i.e. it is irrelevant or excessive for the purpose), or if the information has not been obtained fairly. You can exercise your right of rectification or erasure simply by writing to the body keeping your data. In addition, you can request a data controller to block your data i.e. to prevent it from being used for certain purposes. For example, you might want your data blocked for research purposes where it held for other purposes. If an organisation holds your information for the purposes of direct marketing (such as direct mailing, or telephone marketing), you have the right to have your details removed from that database. This right is useful if you are receiving unwanted "junk mail" or annoying telephone calls from salespeople. You can exercise this right ...

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