The Department Of Education - The commissioner found that the way in which the Department used the payroll database to withhold pay from teachers engaged in industrial action was wrong.
The Department used the database to identify teachers who were members of the trade union.
The Association of Secondary Teachers Ireland (ASTI) yesterday welcomed the commissioner's finding.
Eircom - A mailshot to ex-directory subscribers, proposing to disclose some of their details to other telecommunications companies, was criticised by the commissioner.
Eircom complied with the commissioner's ruling.
Laser Cards - The commissioner found that the printing of customers' addresses on Laser card receipts was in breach of data protection law.
The financial institution involved took prompt steps to correct this matter.