(1)    In this section, “sound-producing device” does not include a piece of equipment or machinery that is designed for agricultural purposes and that is being used in the conduct of agricultural operations.

   (1m)   

      (a)    Any city, village, town or county may, by ordinance, authorize a law enforcement officer, at the time of issuing a citation for a violation of s. 346.94 (16) or a local ordinance in strict conformity with s. 346.94 (16) or any other local ordinance prohibiting excessive noise, to impound any radio, electric sound amplification device or other sound-producing device used in the commission of the violation if the person charged with such violation is the owner of the radio, electric sound amplification device or other sound-producing device and has 2 or more prior convictions within a 3-year period of s. 346.94 (16) or a local ordinance in strict conformity with s. 346.94 (16) or any other local ordinance prohibiting excessive noise. The ordinance may provide for impoundment of a vehicle for not more than 5 working days to permit the city, village, town or county or its authorized agent to remove the radio, electric sound amplification device or other sound-producing device if the vehicle is owned by the person charged with the violation and the sound-producing device may not be easily removed from the vehicle. Upon removal of the sound-producing device, an impounded vehicle shall be returned to its rightful owner.

      (b)    The ordinance under par. (a) may provide for recovery by the city, village, town or county of the cost of impounding the sound-producing device and, if a vehicle is impounded, the cost of impounding the vehicle and removing the sound-producing device. The ordinance under par. (a) shall provide that, upon disposition of the forfeiture action for the violation of s. 346.94 (16) or a local ordinance in strict conformity with s. 346.94 (16) or any other local ordinance prohibiting excessive noise and payment of any forfeiture imposed, the sound-producing device shall be returned to its rightful owner.

      (c)    The city, village, town or county may dispose of any impounded sound-producing device or, following the procedure for an abandoned vehicle under s. 342.40, any impounded vehicle which has remained unclaimed for a period of 90 days after disposition of the forfeiture action.

      (d)    This subsection does not apply to a radio, electric sound amplification device or other sound-producing device on a motorcycle.

   (2)   

      (a)    Notwithstanding sub. (1m), any city, village, town or county may, by ordinance, authorize a law enforcement officer, at the time of issuing a citation for a violation of s. 346.94 (16) or a local ordinance in strict conformity with s. 346.94 (16) or any other local ordinance prohibiting excessive noise, to seize any radio, electric sound amplification device or other sound-producing device used in the commission of the violation if the person charged with such violation is the owner of the radio, electric sound amplification device or other sound-producing device and has 3 or more prior convictions within a 3-year period of s. 346.94 (16) or a local ordinance in strict conformity with s. 346.94 (16) or any other local ordinance prohibiting excessive noise.

      (b)    The ordinance under par. (a) may provide for impoundment of a vehicle for not more than 5 working days to permit the city, village, town or county or its authorized agent to remove the radio, electric sound amplification device or other sound-producing device if the vehicle is owned by the person charged with the violation and the sound-producing device may not be easily removed from the vehicle. Upon removal of the sound-producing device, an impounded vehicle shall be returned to its rightful owner upon payment of the reasonable costs of impounding the vehicle and removing the sound-producing device.

      (c)    The ordinance under par. (a) shall include provisions that treat any seized sound-producing device in substantially the manner provided in ss. 973.075 (3), 973.076 and 973.077 for property realized through the commission of any crime, except that the sound-producing device shall remain in the custody of the applicable law enforcement agency; a district attorney or city, village or town attorney, whichever is applicable, shall institute the forfeiture proceedings; and, if the sound-producing device is sold by the law enforcement agency, all proceeds of the sale shall be retained by the applicable city, village, town or county.

      (d)    The city, village, town or county may, following the procedure for an abandoned vehicle under s. 342.40, dispose of any impounded vehicle which has remained unclaimed for a period of 90 days after disposition of the forfeiture action.

      (e)    This subsection does not apply to a radio, electric sound amplification device or other sound-producing device on a motorcycle.