| DLTR | Division of Land Titles and Records | changed to BLTR > Branch of Land Titles and Records |
| FICO | Financing Corporation | unable to verify |
| LTS | Library Technical Services | changed to MCS > Metadata and Collection Services |
| N3C | National COVID Cohort Collaborative | changed to National Clinical Cohort Collaborative (same acronym) |
| ODE 1 | Office of Drug Evaluation 1 | unable to verify |
| ODE 4 | Office of Drug Evaluation 4 | unable to verify |
| ONC | Office of the National Coordinator for Health Information Technology | changed to ASTP/ONC > Assistant Secretary for Technology Policy and Office of the National Coordinator for Health Information Technology |
| PHGKB | Public Health Genomics Knowledge Base | discontinued 8/1/24 |
| PR4 | Project Responder 4 | unable to verify |
| SEEP | State Energy Extension Partnership | unable to verify |
| SIGTARP | Office of the Special Inspector General for for the Troubled Asset Relief Program | defunct |
