Mae’n gwbl annerbyniol defnyddio cosbrestrau i wahaniaethu yn erbyn unigolion sy’n aelodau o undeb llafur ac/neu wedi cymryd rhan mewn gweithredu gan undeb llafur, neu sydd wedi datgan eu pryderon, er enghraifft, ynghylch iechyd a diogelwch a/neu faterion amgylcheddol.
The use of blacklists to discriminate against individuals on the grounds of trade union membership and/or activity, or for having reported concerns, for example, regarding health and safety and/or environmental matters, is wholly unacceptable.