Requires a biological sample to also be collected for purposes of DNA identification analysis from an adult or juvenile individual convicted of certain municipal offenses where the municipal prosecuting authority certifies at the time of sentencing that the municipal offense conviction is equivalent to the crimes found in RCW 43.43.754 (section 1 of this act).

Authorizes a municipal jurisdiction to submit a biological sample, collected before the effective date of this act, to the forensic laboratory services bureau of the Washington state patrol for purposes of DNA identification analysis under certain circumstances.

Requires an agency or a department, when submitting a biological sample to the forensic laboratory services bureau of the Washington state patrol that was collected as a result of a conviction under an equivalent municipal offense, to include a signed affidavit from the municipal prosecuting authority of the jurisdiction in which the conviction occurred specifying the state crime to which the municipal offense is equivalent.