SECTION 4. DRAFTING
Internal Revenue Bulletin 2021-41 · 2026-10-03 edition · updated 2026-10-04 · United States
INFORMATION
The principal author of this notice is Lewis Saideman of the Office of Associate Chief Counsel (Income Tax & Accounting). For further information regarding this notice, please contact Mr. Saideman at (202) 317-7006 (not a toll-free number).
APPENDIX
Arizona
Counties of Apache, Cochise, Coconino, Gila, Graham, Greenlee, La Paz, Maricopa, Mohave, Navajo, Pima, Pinal, Santa Cruz, Yavapai, and Yuma.
Arkansas
Counties of Benton, Carroll, Madison, and Washington.
1 The term “counties” in this notice includes boroughs, census areas, counties, islands, municipalities, or parishes.
Bulletin No. 2021–41 461 October 12, 2021
California
Counties of Alameda, Alpine, Amador, Butte, Calaveras, Colusa, Contra Costa, Del Norte, El Dorado, Fresno, Glenn, Humboldt, Imperial, Inyo, Kern, Kings, Lake, Lassen, Los Angeles, Madera, Marin, Mariposa, Mendocino, Merced, Modoc, Mono, Monterey, Napa, Nevada, Orange, Placer, Plumas, Riverside, Sacramento, San Benito, San Bernardino, San Diego, San Francisco, San Joaquin, San Luis Obispo, San Mateo, Santa Barbara, Santa Clara, Santa Cruz, Shasta, Sierra, Siskiyou, Solano, Sonoma, Stanislaus, Sutter, Tehama, Trinity, Tulare, Tuolumne, Ventura, Yolo, and Yuba.
Colorado
Counties of Adams, Alamosa, Arapahoe, Archuleta, Baca, Bent, Boulder, Broomfield, Chaffee, Cheyenne, Clear Creek, Conejos, Costilla, Crowley, Custer, Delta, Denver, Dolores, Douglas, Eagle, Elbert, El Paso, Fremont, Garfield, Gilpin, Grand, Gunnison, Hinsdale, Huerfano, Jackson, Jefferson, Kiowa, Kit Carson, Lake, La Plata, Larimer, Las Animas, Lincoln, Logan, Mesa, Mineral, Moffat, Montezuma, Montrose, Morgan, Otero, Ouray, Park, Phillips, Pitkin, Prowers, Pueblo, Rio Blanco, Rio Grande, Routt, Saguache, San Juan, San Miguel, Sedgwick, Summit, Teller, Washington, Weld, and Yuma.
Connecticut
Counties of Hartford, Litchfield, Middlesex, New Haven, New London, Tolland, and Windham.
Hawaii
Counties of Hawaii, Honolulu, Kalawao, Kauai, and Maui.
Idaho
Counties of Ada, Adams, Bannock, Bear Lake, Benewah, Bingham, Blaine, Boise, Bonner, Bonneville, Boundary, Butte, Camas, Canyon, Caribou, Cassia, Clark, Clearwater, Custer, Elmore, Franklin, Fremont, Gem, Gooding, Idaho, Jefferson, Jerome, Kootenai, Latah, Lemhi, Lewis,
Lincoln, Minidoka, Nez Perce, Oneida, Owyhee, Payette, Power, Shoshone, Teton, Twin Falls, Valley, and Washington.
Illinois
Counties of Boone, Christian, Cook, DeKalb, De Witt, DuPage, Jo Daviess, Kane, Lake, Logan, McHenry, Macon, Menard, Ogle, Piatt, Sangamon, Stephenson, and Winnebago.
Iowa
Counties of Adair, Adams, Allamakee, Audubon, Benton, Black Hawk, Boone, Bremer, Buchanan, Buena Vista, Butler, Calhoun, Carroll, Cass, Cerro Gordo, Cherokee, Chickasaw, Clay, Clayton, Crawford, Dallas, Delaware, Dickinson, Dubuque, Emmet, Fayette, Floyd, Franklin, Fremont, Greene, Grundy, Guthrie, Hamilton, Hancock, Hardin, Harrison, Howard, Humboldt, Ida, Iowa, Jasper, Johnson, Keokuk, Kossuth, Linn, Lyon, Madison, Mahaska, Marshall, Mills, Mitchell, Monona, Montgomery, O’Brien, Osceola, Page, Palo Alto, Plymouth, Pocahontas, Polk, Pottawattamie, Poweshiek, Sac, Shelby, Sioux, Story, Tama, Warren, Webster, Winnebago, Winneshiek, Woodbury, Worth, and Wright.
Kansas
Counties of Brown, Cheyenne, Clark, Clay, Cloud, Comanche, Decatur, Dickinson, Geary, Gove, Graham, Grant, Greeley, Hamilton, Jackson, Jewell, Kearny, Lincoln, Logan, Marshall, Meade, Mitchell, Morton, Nemaha, Norton, Ottawa, Phillips, Pottawatomie, Rawlins, Republic, Riley, Scott, Seward, Sheridan, Sherman, Smith, Stanton, Stevens, Thomas, Wabaunsee, Wallace, Washington, and Wichita.
Maine
Counties of Androscoggin, Aroostook, Cumberland, Franklin, Hancock, Kennebec, Knox, Lincoln, Oxford, Penobscot, Piscataquis, Sagadahoc, Somerset, Waldo, Washington, and York.
Massachusetts
Counties of Barnstable, Berkshire, Bristol, Dukes, Essex, Franklin, Hampden, Hampshire, Middlesex, Nantucket, Norfolk, Plymouth, Suffolk, and Worcester.
Michigan
County of Alcona, Allegan, Arenac, Barry, Bay, Benzie, Berrien, Branch, Calhoun, Cass, Clinton, Eaton, Genesee, Gladwin, Grand Traverse, Gratiot, Hillsdale, Huron, Ingham, Ionia, Iosco, Isabella, Jackson, Kalamazoo, Kent, Lapeer, Leelanau, Livingston, Manistee, Mason, Mecosta, Midland, Montcalm, Muskegon, Newaygo, Ogemaw, Ottawa, Saginaw, Saint Clair, Saint Joseph, Sanilac, Shiawassee, Tuscola, Van Buren, Washtenaw, and Wexford.
Minnesota
County of Aitkin, Anoka, Becker, Beltrami, Benton, Big Stone, Blue Earth, Brown, Carlton, Carver, Cass, Chippewa, Chisago, Clay, Clearwater, Cook, Cottonwood, Crow Wing, Dakota, Douglas, Faribault, Fillmore, Freeborn, Goodhue, Grant, Hennepin, Houston, Hubbard, Isanti, Itasca, Jackson, Kanabec, Kandiyohi, Kittson, Koochiching, Lac qui Parle, Lake, Lake of the Woods, Le Sueur, Lincoln, Lyon, McLeod, Mahnomen, Marshall, Martin, Meeker, Mille Lacs, Morrison, Mower, Murray, Nicollet, Nobles, Norman, Otter Tail, Pennington, Pine, Pipestone, Polk, Pope, Ramsey, Red Lake, Redwood, Renville, Rice, Rock, Roseau, Saint Louis, Scott, Sherburne, Sibley, Stearns, Steele, Stevens, Swift, Todd, Traverse, Wadena, Waseca, Washington, Watonwan, Wilkin, Wright, and Yellow Medicine.
Mississippi
Counties of Grenada, Leflore, Quitman, Tallahatchie, and Yalobusha.
Missouri
Counties of Atchison, Barry, Barton, Cedar, Christian, Dade, Douglas, Greene, Holt, Jasper, Lawrence, McDonald, Newton, Polk, Stone, Taney, Vernon, and Webster.
October 12, 2021 462 Bulletin No. 2021–41
Montana
Counties of Beaverhead, Big Horn, Blaine, Broadwater, Carbon, Carter, Cascade, Chouteau, Custer, Daniels, Dawson, Deer Lodge, Fallon, Fergus, Flathead, Gallatin, Garfield, Glacier, Golden Valley, Granite, Hill, Jefferson, Judith Basin, Lake, Lewis and Clark, Liberty, Lincoln, McCone, Madison, Meagher, Mineral, Missoula, Musselshell, Park, Petroleum, Phillips, Pondera, Powder River, Powell, Prairie, Ravalli, Richland, Roosevelt, Rosebud, Sanders, Sheridan, Silver Bow, Stillwater, Sweet Grass, Teton, Toole, Treasure, Valley, Wheatland, Wibaux, and Yellowstone.
Nebraska
Counties of Adams, Antelope, Arthur, Banner, Box Butte, Boyd, Buffalo, Burt, Butler, Cass, Cedar, Chase, Cherry, Cheyenne, Clay, Colfax, Cuming, Custer, Dakota, Dawes, Dawson, Deuel, Dixon, Dodge, Douglas, Dundy, Franklin, Frontier, Furnas, Gage, Garden, Garfield, Gosper, Grant, Greeley, Hall, Hamilton, Harlan, Hayes, Hitchcock, Holt, Howard, Jefferson, Johnson, Kearney, Keith, Keya Paha, Kimball, Knox, Lancaster, Lincoln, McPherson, Madison, Merrick, Morrill, Nance, Nemaha, Nuckolls, Otoe, Pawnee, Perkins, Phelps, Pierce, Platte, Red Willow, Richardson, Rock, Saline, Sarpy, Saunders, Scotts Bluff, Sheridan, Sherman, Sioux, Stanton, Thayer, Thurston, Valley, Washington, Wayne, Webster, and Wheeler.
Nevada
City of Carson City. Counties of Churchill, Clark, Douglas, Elko, Esmeralda, Eureka, Humboldt, Lander, Lincoln, Lyon, Mineral, Nye, Pershing, Storey, Washoe, and White Pine.
New Hampshire
Counties of Belknap, Carroll, Cheshire, Coos, Grafton, Hillsborough, Merrimack, Rockingham, Strafford, and Sullivan.
New Mexico
Counties of Bernalillo, Catron, Chaves, Cibola, Colfax, Curry, DeBaca, Dona
Ana, Eddy, Grant, Guadalupe, Harding, Hidalgo, Lea, Lincoln, Los Alamos, Luna, McKinley, Mora, Otero, Quay, Rio Arriba, Roosevelt, Sandoval, San Juan, San Miguel, Santa Fe, Sierra, Socorro, Taos, Torrance, Union, and Valencia.
New York
Counties of Allegany, Cattaraugus, Hamilton, Herkimer, Jefferson, Lewis, Oneida, Saint Lawrence, and Suffolk.
North Carolina
Counties of Bladen, Brunswick, Columbus, Duplin, New Hanover, Onslow, Pender, Robeson, Sampson, and Scotland.
North Dakota
Counties of Adams, Barnes, Benson, Billings, Bottineau, Bowman, Burke, Burleigh, Cass, Cavalier, Dickey, Divide, Dunn, Eddy, Emmons, Foster, Golden Valley, Grand Forks, Grant, Griggs, Hettinger, Kidder, LaMoure, Logan, McHenry, McIntosh, McKenzie, McLean, Mercer, Morton, Mountrail, Nelson, Oliver, Pembina, Pierce, Ramsey, Ransom, Renville, Richland, Rolette, Sargent, Sheridan, Sioux, Slope, Stark, Steele, Stutsman, Towner, Traill, Walsh, Ward, Wells, and Williams.
Oklahoma
Counties of Atoka, Beaver, Beckham, Blaine, Bryan, Caddo, Canadian, Carter, Choctaw, Cimarron, Coal, Custer, Dewey, Ellis, Grady, Greer, Harmon, Harper, Jackson, Jefferson, Johnston, Kiowa, Love, Major, Marshall, Murray, Roger Mills, Texas, Tillman, Washita, Woods, and Woodward.
Oregon
Counties of Baker, Benton, Clackamas, Clatsop, Columbia, Coos, Crook, Curry, Deschutes, Douglas, Gilliam, Grant, Harney, Hood River, Jackson, Jefferson, Josephine, Klamath, Lake, Lane, Lincoln, Linn, Malheur, Marion, Morrow, Multnomah, Polk, Sherman, Tillamook, Umatilla, Union, Wallowa, Wasco, Washington, Wheeler, and Yamhill.
Pennsylvania
Counties of Blair, Cambria, Cameron, Centre, Clearfield, Clinton, Huntingdon, Lycoming, McKean, Potter, Tioga, and Union.
Rhode Island
Counties of Bristol, Kent, Newport, Providence, and Washington.
South Carolina
Counties of Calhoun, Chesterfield, Clarendon, Darlington, Dillon, Florence, Georgetown, Horry, Kershaw, Lee, Lexington, Marion, Marlboro, Orangeburg, Richland, Sumter, and Williamsburg.
South Dakota
Counties of Aurora, Beadle, Bennett, Bon Homme, Brookings, Brown, Brule, Buffalo, Butte, Campbell, Charles Mix, Clark, Clay, Codington, Corson, Custer, Davison, Day, Deuel, Dewey, Douglas, Edmunds, Fall River, Faulk, Grant, Gregory, Haakon, Hamlin, Hand, Hanson, Harding, Hughes, Hutchinson, Hyde, Jackson, Jerauld, Jones, Kingsbury, Lake, Lawrence, Lincoln, Lyman, McCook, McPherson, Marshall, Meade, Mellette, Miner, Minnehaha, Moody, Oglala Lakota, Pennington, Perkins, Potter, Roberts, Sanborn, Spink, Stanley, Sully, Todd, Tripp, Turner, Union, Walworth, Yankton, and Ziebach.
Texas
Counties of Andrews, Angelina, Aransas, Armstrong, Atascosa, Austin, Bailey, Bandera, Bastrop, Baylor, Bee, Bell, Bexar, Blanco, Borden, Bosque, Brazoria, Brazos, Brewster, Briscoe, Brooks, Brown, Burleson, Burnet, Caldwell, Calhoun, Callahan, Cameron, Carson, Castro, Cherokee, Childress, Clay, Cochran, Coke, Coleman, Collin, Collingsworth, Colorado, Comal, Comanche, Concho, Cooke, Coryell, Cottle, Crane, Crockett, Crosby, Culberson, Dallam, Dallas, Dawson, Deaf Smith, Denton, DeWitt, Dickens, Dimmit, Donley, Duval, Eastland, Ector, Edwards, Ellis, El Paso, Erath, Falls, Fayette, Fisher, Floyd, Foard, Frio, Gaines, Galveston, Garza, Gillespie, Glasscock, Goliad, Gon
Bulletin No. 2021–41 463 October 12, 2021
zales, Gray, Grayson, Grimes, Guadalupe, Hale, Hall, Hamilton, Hardeman, Hardin, Harris, Hartley, Haskell, Hays, Hemphill, Henderson, Hidalgo, Hill, Hockley, Houston, Howard, Hudspeth, Hunt, Hutchinson, Irion, Jack, Jackson, Jeff Davis, Jim Hogg, Jim Wells, Johnson, Jones, Karnes, Kaufman, Kendall, Kenedy, Kent, Kerr, Kimble, King, Kinney, Kleberg, Knox, Lamb, Lampasas, La Salle, Lavaca, Lee, Leon, Liberty, Lipscomb, Live Oak, Llano, Loving, Lubbock, Lynn, McCulloch, McLennan, McMullen, Madison, Martin, Mason, Matagorda, Maverick, Medina, Menard, Midland, Milam, Mills, Mitchell, Montague, Montgomery, Motley, Nacogdoches, Navarro, Nolan, Nueces, Ochiltree, Oldham, Parker, Parmer, Pecos, Polk, Potter, Presidio, Randall, Reagan, Real, Reeves, Refugio, Roberts, Robertson, Rockwall, Runnels, San Jacinto, San Patricio, San Saba, Schleicher, Scurry, Somervell, Starr, Stephens, Sterling, Stonewall, Sutton, Swisher, Tarrant, Taylor, Terrell, Terry, Throckmorton, Tom Green, Travis, Trinity, Tyler, Upton, Uvalde, Val Verde, Victoria, Walk
er, Ward, Washington, Webb, Wheeler, Wilbarger, Willacy, Williamson, Wilson, Winkler, Wise, Yoakum, Young, Zapata, and Zavala.
Utah
Counties of Beaver, Box Elder, Cache, Carbon, Daggett, Davis, Duchesne, Emery, Garfield, Grand, Iron, Juab, Kane, Millard, Morgan, Piute, Rich, Salt Lake, San Juan, Sanpete, Sevier, Summit, Tooele, Uintah, Utah, Wasatch, Washington, Wayne, and Weber.
Vermont
Counties of Addison, Caledonia, Essex, Orange, Orleans, Rutland, Washington, Windham, and Windsor.
Washington
Counties of Adams, Asotin, Benton, Chelan, Clark, Columbia, Cowlitz, Douglas, Ferry, Franklin, Garfield, Grant, Island, Kittitas, Klickitat, Lincoln, Okanogan,
Pend Oreille, San Juan, Skagit, Skamania, Spokane, Stevens, Wahkiakum, Walla Walla, Whatcom, Whitman, and Yakima.
Wisconsin
Counties of Burnett, Crawford, Dane, Dodge, Grant, Green, Jefferson, Kenosha, La Crosse, Lafayette, Milwaukee, Monroe, Ozaukee, Pierce, Polk, Racine, Richland, Rock, Saint Croix, Vernon, Walworth, Washington, and Waukesha.
Wyoming
Counties of Albany, Big Horn, Campbell, Carbon, Converse, Crook, Fremont, Goshen, Hot Springs, Johnson, Laramie, Lincoln, Natrona, Niobrara, Park, Platte, Sheridan, Sublette, Sweetwater, Teton, Uinta, Washakie, and Weston.
United States Virgin Islands
Islands of Saint Croix, Saint John, and Saint Thomas.
October 12, 2021 464 Bulletin No. 2021–41
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