Northern Gas & Power made direct marketing calls to subscribers who were registered with the TPS or CTPS and who had not provided valid consent.
Awdurdod annibynnol y Deyrnas Unedig a sefydlwyd i gynnal hawliau gwybodaeth er budd y cyhoedd, annog cyrff cyhoeddus i fod yn agored a hybu preifatrwydd data i unigolion.
Northern Gas & Power made direct marketing calls to subscribers who were registered with the TPS or CTPS and who had not provided valid consent.