The following excerpt is from Lucas v. Janda, Case No.: 15cv1923 AJB (BLM) (S.D. Cal. 2016):
A prisoner may challenge a prison disciplinary conviction by petition for writ of habeas corpus if the conviction resulted in the loss of good time credits because credits impact the duration of the prisoner's confinement. Preiser v. Rodriguez, 411 U.S. 475, 487-88 (1973) (suit seeking restoration of good time credits was "within the core of habeas corpus in attacking the very duration of their physical confinement itself").
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