[§286-157.4] Hearing before a district judge. (a) A hearing to determine the truth and correctness of an affidavit submitted to a district judge shall be held within twenty days after the district judge has received the affidavit.

(b) The district judge shall hear and determine:

(1) Whether the arresting officer had reasonable grounds to believe that the person had been operating a vehicle while under the influence of drugs;

(2) Whether the person was lawfully arrested;

(3) Whether the arresting officer had informed the person of the sanctions of section 286-157.3; and

(4) Whether the person refused to submit to a test of the person's blood or urine.

(c) For purposes of a hearing under this section, there shall be no limit on the introduction of any other competent evidence bearing on the question of whether the person was under the influence of drugs, including but not limited to personal observation by a law enforcement officer of the defendant's manner, disposition, speech, muscular movement, general appearance, or behavior. [L 1997, c 103, pt of §1]