21168.9.
(a) If a court finds, as a result of a trial, hearing, or remand from an appellate court, that any determination, finding, or decision of a public agency has been made with a prejudicial lack of compliance with this division, the court shall enter an order that includes one or more of the following:(1) A mandate that the determination, finding, or decision be voided by the public agency, in whole or in part.
(2) If the court finds that a specific project activity or activities will prejudice the consideration or implementation of particular mitigation measures or alternatives to the
project, a mandate that the public agency and any real parties in interest suspend any or all specific project activity or activities, pursuant to the determination, finding, or decision, that could result in an adverse change or alteration to the physical environment, until the public agency has taken any actions that may be necessary to bring the determination, finding, or decision into compliance with this division.
(3) A mandate that the public agency take specific action as may be necessary to bring the determination, finding, or decision into compliance with this division.
(b) Before issuing an order pursuant to subdivision (a), a court shall first issue written findings that, based on a preponderance of the evidence, the order is necessary to avoid or mitigate a specific,
adverse impact upon the environment, public health health, or safety, and there is no feasible method to satisfactorily avoid or mitigate the specific adverse impact without rendering the project financially or practically infeasible. public safety.
(c) An order pursuant to subdivision (a) shall include only those mandates that are necessary to achieve compliance with this division and only those
specific project activities in noncompliance with this division. The order shall be made by the issuance of a peremptory writ of mandate specifying what action by the public agency is necessary to comply with this division. However, the order shall be limited to that portion of a determination, finding, or decision or the specific project activity or activities found to be in noncompliance only if a court finds that (1) the portion or specific project activity or activities are severable, (2) severance will not prejudice complete and full compliance with this division, and (3) the court has not found the remainder of the project to be in noncompliance with this division. The trial court shall retain jurisdiction over the public agency’s proceedings by way of a return to the peremptory writ until the court has determined that the public agency has complied with this division.
(d) Nothing in this section authorizes a court to direct any public agency to exercise its discretion in any particular way. Except as expressly provided in this section, nothing in this section is intended to limit the equitable powers of the court.
(e) For the purposes of this section, the following definitions apply:
(1) “Prejudicial lack of compliance” means that the deficiency in the determination, finding, or decision of the public agency was made without substantial relevant information about the project’s likely adverse impacts. Insubstantial or merely technical violations are not grounds for relief.
(2) “Specific, adverse impact” means a significant,
quantifiable, direct, and unavoidable impact, based on objective, identified written public health or safety standards, policies, or conditions as they existed on the date the application was deemed complete.