That doesn't look like a correct cite. I am assuming that it is a violation of the Title 15: Crime Prevention and Corrections of the California Code of Regulations which deals with conduct in prison but Sec. 3005 doesn't have a (d), just a-c.
Section (c) states:
(c) Force or Violence. Inmates shall not willfully commit or
assist another person in the commission of a violent
injury to any
person or persons, including self mutilation or attempted suicide,
nor attempt or threaten the use of force or violence upon another
person. Inmates shall not willfully attempt to incite others, either
verbally or in writing, or by other deliberate action, to use force or
violence upon another person.
If this hearing was to determine some type of in prison punishment, as opposed to guilt of a crime that carries an additional sentence
, then the burden of proof is on the state and the standard is "by a preponderance of the evidence".
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