Probation gets sold in the plea conversation as the outcome that avoids prison. It does, right up until someone decides it didn't work out. What almost nobody explains at the time is that the hearing which decides that question does not run on the same rules as the case that put you on probation in the first place. No jury. A lower burden of proof. And the sentence waiting on the other side of a loss can be the maximum the original charge allowed.
What CPL 410.70 actually sets up
Criminal Procedure Law § 410.70 governs what happens when a court considers revoking probation or conditional discharge. The court cannot revoke a sentence, or extend a period of probation, unless it has found an actual violation of a condition and given the defendant a chance to be heard. That hearing has to happen promptly once the court files a declaration of delinquency, commits the person, or fixes bail under this article. The court also has to file a statement laying out which condition was violated and a reasonable description of when, where, and how. The defendant has to appear within ten business days of that notice.
Preponderance, not beyond a reasonable doubt
The statute is explicit: the hearing is summary, decided by the court alone with no jury, and "a finding that the defendant has violated a condition of his sentence must be based upon a preponderance of the evidence." That is a different, lower standard than the one that applied to the original charge. The defendant can cross-examine witnesses and present evidence, and is entitled to counsel at every stage, but the standard of proof itself has already shifted in the state's favor before the hearing even starts.
What a judge can do at the end of it
At the conclusion of the hearing, the court may revoke, continue, or modify the sentence. If the court revokes it, the statute requires the judge to impose a sentence "as specified in subdivisions three and four of section 60.01 of the penal law," which means the sentence that could have been imposed on the original conviction, up to and including incarceration, becomes available again. If the court continues or modifies the sentence instead, it has to vacate the declaration of delinquency, and it can extend supervision, but it also has to credit any time already spent in custody or under supervision against the term.
Why this matters more than the number on the plea sheet
This is the same problem that runs under every plea decision covered on this site: the word "probation" gets treated as the finish line, when it's actually the start of a new set of conditions with its own separate enforcement mechanism. A person who took a plea specifically to avoid a trial can still end up facing the original sentence, decided by one judge, on a lower burden of proof, without the jury that would have heard the underlying case. Conditional discharge and probation aren't the same sentence to begin with, and the gap between them shows up clearest right here, at the violation hearing, since conditional discharge carries no probation officer and a different revocation path.
The exact question to ask
Before agreeing to a probation sentence, ask directly: "If I'm accused of violating a condition later, what specifically has to be proven, what standard of proof applies, and what's the maximum sentence that comes back on the table if I lose that hearing?" Get the actual conditions of supervision in writing, not a verbal summary, and ask what counts as a technical violation versus a new arrest, since both can trigger this process.
The pressure to take a probation offer instead of fighting the underlying case is its own version of the bet every plea deal makes. See the bet every plea deal is making for how that calculation works, and ask about it before signing, not after a violation hearing has already been scheduled.