We will subsequently contact you to tell you if survey approval is required, and then what needs to be done (if anything) to get your survey approved.
Yna byddwn yn cysylltu â chi i ddweud wrthych a oes angen cymeradwyaeth ar yr arolwg, ac yna beth sydd angen ei wneud (os unrhyw beth) i sicrhau cymeradwyaeth i’ch arolwg.