When you reply, it would be useful if you confirm whether you are replying as an individual or submitting an official response on behalf of an organisation and include:
Wrth ymateb, byddai'n ddefnyddiol pe gallech gadarnhau a ydych yn ymateb fel unigolyn neu'n cyflwyno ymateb swyddogol ar ran sefydliad a chynnwys y canlynol: