You can find out about the GDPR rights on the ICO website​​​​​. You will have the right to know how the data has been processed and make requests, in certain circumstances.
Gallwch ddysgu am yr hawliau a rydd y Rheoliad ar wefan y Comisiynydd Gwybodaeth​​​​​​. Bydd gennych hawl i wybod sut y proseswyd eich data a gwneud ceisiadau mewn rhai amgylchiadau.