Displaying 1 - 3 of 3 (-) Information Technology Systems Federal Collections & Enforcement Annual Certification Letter – 2019 DCL-19-10 August 22, 2019 Expand Provides states with Annual Certification Letter to complete and return SDNH Reporting of Employer Addresses PIQ-99-07 December 2, 1999 Expand Notification: incorrect employer address sent from State Directories of New Hire to National Directory of New Hires National Directory of New Hires (NDNH) Begins DCL-97-62 October 1, 1997 Expand Announces the operational status of the National Directory of New Hires (NDNH)