A copy of this letter had been sent to Prime minister Ranil Wickremesinghe, reports add.
Upon inquiring from the chairman of the Unions of Superintendents of Customs' - R. Lamahewa said that the department of Customs needs a permanent DG.
'Sri Lanka Mirror' also learns that Customs Officers' Union, Unions of uperintendents of Customs' and Customs Staff Officers Union have sent this letter.