Rule 9 - Sufficiency of the Notice of Infraction(a) Notice of Infraction. The notice of infraction is sufficient if it contains either a written description of or statutory designation for the infraction. If the defendant's signature is not obtained on the notice of infraction, the officer may indicate either "refused to sign," "unavailable" or "no signature for safety reasons." The lack of the defendant's signature for any reason does not void the notice of infraction. The defendant is deemed to have been notified of the infraction when the notice of infraction is issued. (b) Speed Measuring Device: Certification.(1) Generally. This Rule 9(b) applies only to hearings in which the defendant denies or contests commission of the infraction.(2) Certificate; Form. The officer may certify on any speeding notice of infraction that the testing device was in proper working order at the time the notice of infraction was issued. Amended December 8, 2005, effective 1/1/2006.