The letter said a house had been purchased for her sister who was resident in Australia through foreign currency which had been periodically remitted to the country.
The lawyers said all operative accounts were declared and no remittances were received from anyone in Sri Lanka or abroad except for the remuneration as a judge and the remittances from her immediate family.
The lawyers said other charges can also be refuted.
"Our Client instructs us to state that she will, as always, continue to duly and properly discharges her duties without fear or favour; she will do so, independently, impartially and fearlessly in accordance with the Law," the lawyers said.
Sri Lanka's parliament launched an impeachment motion signed by 117 ruling party legislators following a series of rulings that angered the administration.