571—91.1 (481A) Duck hunting.
	   91.1(1) Zone boundaries. The following zone boundaries apply in the time frames noted:
	      a.    	 For the 2016-2017 season, the north duck hunting zone is that part of Iowa north of a line beginning on the South Dakota-Iowa border at Interstate 29, southeast along Interstate 29 to State Highway 175, east to State Highway 37, southeast to State Highway 183, northeast to State Highway 141, east to U.S. Highway 30, and along U.S. Highway 30 to the Iowa-Illinois border. The Missouri River duck hunting zone is that part of Iowa west of Interstate 29 and north of State Highway 175. The south duck hunting zone is the remainder of the state.
	      b.    	 For the 2017-2021 seasons, the north duck hunting zone is that part of Iowa north of a line beginning on the South Dakota-Iowa border at Interstate 29, southeast along Interstate 29 to State Highway 175, east to State Highway 37, southeast to State Highway 183, northeast to State Highway 141, east to U.S. Highway 30, and along U.S. Highway 30 to the Iowa-Illinois border. The Missouri River duck hunting zone is that part of Iowa west of Interstate 29 and south to the Iowa-Missouri border. The south duck hunting zone is the remainder of the state.
	   91.1(2) Season dates - north zone. Special September teal season: September 3 through September 11. For all ducks:	September 24 through October 2 and October 15 through December 4.
	   91.1(3) Season dates - south zone. Special September teal season: September 3 through September 11. For all ducks:	October 1 through October 5 and October 22 through December 15.
	   91.1(4) Season dates - Missouri River zone. Special September teal season: September 3 through September 18. For all ducks:	October 8 and October 9 and October 22 through December 18.
	   91.1(5) Bag limit. Special September teal season: The daily bag limit is 6 teal of any species. For all ducks: The daily bag limit of ducks is 6, and may include no more than 4 mallards (no more than 2 of which may be females), 1 black duck, 3 wood ducks, 2 pintails, 1 mottled duck, 2 canvasback, 2 redheads, and 3 scaup. The daily bag limit of mergansers is 5, only 2 of which may be hooded mergansers.
	   91.1(6) Possession limit. For the special September teal season and for all ducks: Possession limit is three times the daily bag limit.
	   91.1(7) Shooting hours. For the special September teal season: Shooting hours are sunrise to sunset each day. For all ducks:	Shooting hours are one-half hour before sunrise to sunset each day.
[ARC 8106B, IAB 9/9/09, effective 8/18/09; ARC 9055B, IAB 9/8/10, effective 8/16/10; ARC 9720B, IAB 9/7/11, effective 8/19/11; ARC 0307C, IAB 9/5/12, effective 8/15/12; ARC 1003C, IAB 9/4/13, effective 8/15/13; ARC 1614C, IAB 9/3/14, effective 8/15/14; ARC 2129C, IAB 9/2/15, effective 8/13/15; ARC 2526C, IAB 5/11/16, effective 6/15/16]