Federal Prison and Sentencing Glossary
Definitions of the federal sentencing and Bureau of Prisons terms that appear on sentence computation sheets and in this calculator.
Common terms
- GCT — Good Conduct Time, 54 days per year of the sentence imposed.
- FTC — First Step Act earned time credits, earned in 30-day blocks.
- PATTERN — the BOP's risk and needs assessment, which sets the FSA earning rate.
- RDAP — Residential Drug Abuse Program, worth up to a 12-month reduction.
- RRC — Residential Reentry Center, commonly called a halfway house.
- SCA — Second Chance Act, which authorizes prerelease community placement.
- Writ days — time on temporary transfer to another jurisdiction, during which FSA credits are not earned.
- Detainer — a hold placed by another jurisdiction that can affect placement and FSA credit application.
Federal Sentence Help is an educational resource and is not a law firm. Projections are estimates; actual dates are determined by the Bureau of Prisons. More resources at federalsentencehelp.org.