| AEG | Aircraft Evaluation Groups | changed to AED - Aircraft Evaluation Division |
| CDIP | Crash Data Improvement Program | unable to verify |
| DHC | Division of Health Communications | changed to DPEO - Division of Public Education and Outreach |
| DOC | Division of Online Communications | changed to DDOC - Division of Digital and Online Communications |
| NIDC | National Isotope Development Center | certificate error; unable to access |
| OAO | Office of Advocacy and Outreach | unable to verify |
| OEA | Office of Economic Adjustment | "under maintenance" since 10/19; now active |
| TPOPS | Telephone Point of Purchase Survey | unable to verify BLS site; now points to Census site |
