What is the test for establishing that a probation officer has committed a violation of a probation order?

When a probation officer reports that a defendant has committed a criminal offence under a probation search warrant, does the probation officer have the authority to order an electronic search? (California, United States of America)

When can a probation officer, parole officer, or peace officer revoke probation and rearrest a person? (California, United States of America)

What is the test for a probation officer to obtain a probation report from the probation office? (California, United States of America)

Does a probation officer have the authority to order that a defendant must pay restitution to the victim of a crime committed while on probation? (California, United States of America)

Does the probation department have an obligation to notify the probation officer of an arrest warrant for violation of probation? (California, United States of America)

When a probation officer's report recommends that a defendant be ordered to pay a restitution fine under a plea bargain, does the probation officer have any notice of intention to aggregate the amount of confinement time? (California, United States of America)

Can a probation officer order a restitution order for a defendant who has not objected to the restitution order? (California, United States of America)

Can a probation officer request that appellant be released from probation even though appellant was on probation? (California, United States of America)

Does a probation order requiring a defendant to pay fines on or before the end of probation violate his right to due process and equal protection? (California, United States of America)

Does a probation officer have an obligation to recommend a sentence based on the probation officer's report? (California, United States of America)