Pan ddylid rhoi gwybod i ni am drafodiad, gall unrhyw oedi arwain at gosbau a llog. Mae'n bwysig gwirio'r lleoliad a ffeilio'r ffurflen dreth gyda'r awdurdod cywir.
Where a transaction should be reported to us, any delays can lead to penalties and interest. It’s important to check the location and file the tax return with the correct authority.