Nebraska Revised Statutes Chapter 71. Public Health and Welfare § 71-921. Person believes another to be a mentally ill and dangerous person; notify county attorney; petition; when

(1) Any person who believes that another person is mentally ill and dangerous may communicate such belief to the county attorney. The filing of a certificate by a law enforcement officer under section 71-919 shall be sufficient to communicate such belief. If the county attorney concurs that such person is mentally ill and dangerous and that neither voluntary hospitalization nor other treatment alternatives less restrictive of the subject's liberty than inpatient or outpatient treatment ordered by a mental health board is available or would suffice to prevent the harm described in section 71-908, he or she shall file a petition as provided in this section.

(2) The petition shall be filed with the clerk of the district court in any county within: (a) The judicial district in which the subject is located; (b) the judicial district in which the alleged behavior of the subject occurred which constitutes the basis for the petition; or (c) another judicial district in the State of Nebraska if authorized, upon good cause shown, by a district judge of the judicial district in which the subject is located. In such event, all proceedings before the mental health board shall be conducted by the mental health board serving such other county, and all costs relating to such proceedings shall be paid by the county of residence of the subject. In the order transferring such cause to another county, the judge shall include such directions as are reasonably necessary to protect the rights of the subject.

(3) The petition shall be in writing and shall include the following information: