We undertake separate activities and have other measures for timely notification of transactions, and managing risks associated with people failing to file a return.
Rydym yn ymgymryd â gweithgareddau ar wahân ac mae gennym fesurau eraill ar gyfer hysbysu trafodiadau yn brydlon ac i reoli risgiau sy'n gysylltiedig â phobl sy'n methu â ffeilio ffurflen.