What does pro hac vice mean? a. When a Judge allows one of the attorneys in his/her cases to step in and act as a substitute Judge when that Judge must take a leave of absence for things such as vacation, maternity/paternity leave, and other specified reasons. b. When a lawyer is given permission to practice in a State that he/she is not authorized. c. A form of discipline for an attorney who breaches the ethical rules. d. When a paralegal is given special permission to practice law under the supervision of an attorney