Comply with all applicable procurement legislation, in particular the principle of non-discrimination, and apply the rules to all tenderers in a fair, open and transparent manner.
Cydymffurfio â'r holl ddeddfwriaeth gaffael berthnasol, yn enwedig yr egwyddor peidio â gwahaniaethu, a chymhwyso'r rheolau i bob tendrwr mewn modd teg, agored a thryloyw.