Once we have received the required information, we will endeavour to issue a written decision whether to issue a Certificate of Conformity within 28 days.
Ar ôl i ni dderbyn y wybodaeth angenrheidiol, byddwn ni'n ceisio cyflwyno penderfyniad ysgrifenedig ynghylch p'un ai cyflwyno Tystysgrif Cydymffurfiaeth o fewn 28 diwrnod.