SECTION 5. HIGH-LOW
Internal Revenue Bulletin 2017-42 · 2026-10-03 edition · updated 2026-10-04 · United States
SUBSTANTIATION METHOD
- Annual high-low rates . For purposes of the high-low substantiation method, the per diem rates in lieu of the rates described in Notice 2016–58 (the per diem substantiation method) are $284 for travel
to any high-cost locality and $191 for travel to any other locality within CONUS. The amount of the $284 high rate and $191 low rate that is treated as paid for meals for purposes of § 274(n) is $68 for travel to any high-cost locality and $57 for travel to any other locality within CONUS. See section 5.02 of Rev. Proc. 2011–47. The per diem rates in lieu of the rates described in Notice 2016–58 (the meal and incidental expenses only substantiation method) are $68 for travel to any high-cost locality and $57 for travel to any other locality within CONUS.
- High-cost localities . The following localities have a federal per diem rate of $238 or more, and are high-cost localities for all of the calendar year or the portion of the calendar year specified in parentheses under the key city name.
Key city County or other defined location
California
Mill Valley/San Rafael/Novato
(October 1–October 31 and June 1–September 30)
Monterey
(July 1–August 31)
Napa
(October 1–October 31 and May 1–September 30)
Oakland
(October 1–October 31 and January 1–September 30)
Marin
Monterey
Napa
Alameda
San Francisco San Francisco
San Mateo/Foster City/Belmont San Mateo
Santa Barbara Santa Barbara
Santa Monica City limits of Santa Monica
Sunnyvale/Palo Alto/San Jose Santa Clara
Colorado
Aspen Pitkin
Denver/Aurora Denver, Adams, Arapahoe, and Jefferson
Grand Lake Grand
(December 1–March 31)
Silverthorne/Breckenridge
(December 1–March 31)
Steamboat Springs
(December 1–March 31)
Summit
Routt
Telluride San Miguel
Vail Eagle
(December 1–March 31 and July 1–August 31)
Delaware
Lewes
(July 1–August 31)
District of Columbia
Sussex
Washington D.C. (also the cities of Alexandria, Falls Church, and Fairfax, and the counties of Arlington and Fairfax, in
Virginia; and the counties of Montgomery and Prince George’s in Maryland) (See also Maryland and Virginia)
October 16, 2017 322 Bulletin No. 2017–42
Key city County or other defined location
Florida
Boca Raton/Delray Beach/Jupiter
(January 1–April 30)
Fort Lauderdale
(January 1–April 30)
Fort Myers
(February 1–March 31)
Fort Walton Beach/De Funiak Springs
(June 1–July 31)
Palm Beach and Hendry
Broward
Lee
Okaloosa and Walton
Key West Monroe
Miami Miami-Dade
(December 1–March 31)
Naples
(December 1–April 30)
Illinois
Chicago
(October 1–November 30 and April 1–September 30)
Maine
Bar Harbor
(October 1–October 31 and July 1–September 30)
Maryland
Ocean City
(July 1–August 31)
Collier
Cook and Lake
Hancock
Worcester
Washington, DC Metro Area Montgomery and Prince George’s
Massachusetts
Boston/Cambridge Suffolk, city of Cambridge
Falmouth City limits of Falmouth
(July 1–August 31)
Hyannis
(July 1–August 31)
Martha’s Vineyard
(June 1–September 30)
Nantucket
(June 1–September 30)
Michigan
Petoskey
(July 1–August 31)
Traverse City/Leland
(July 1–August 31)
New York
Lake Placid
(July 1–August 31)
Barnstable less the city of Falmouth
Dukes
Nantucket
Emmet
Grand Traverse and Leelanau
Essex
New York City Bronx, Kings, New York, Queens, and Richmond
Saratoga Springs/Schenectady Saratoga and Schenectady
(July 1–August 31)
Oregon
Portland
(October 1–October 31 and March 1–September 30)
Seaside
(July 1–August 31)
Multnomah
Clatsop
Bulletin No. 2017–42 323 October 16, 2017
Key city County or other defined location
Pennsylvania
Hershey
(June 1–August 31)
Philadelphia
(October 1–November 30 and April 1–September 30)
Rhode Island
Jamestown/Middletown/Newport
(October 1–October 31 and June 1–September 30)
South Carolina
Charleston
(October 1–November 30 and March 1–September 30)
Utah
Park City
(December 1–March 31)
Virginia
Virginia Beach
(June 1–August 31)
Wallops Island
(July 1–August 31)
Hershey
Philadelphia
Newport
Charleston, Berkeley and Dorchester
Summit
City of Virginia Beach
Accomack
Washington, DC Metro Area Cities of Alexandria, Fairfax, and Falls Church;
counties of Arlington and Fairfax
Washington
Seattle King
Vancouver Clark, Cowlitz, and Skamania
(October 1–October 31 and March 1–September 30)
Wyoming
Jackson/Pinedale
(June 1–September 30)
- Changes in high-cost localities . The list of high-cost localities in this notice differs from the list of high-cost localities in section 5 of Notice 2016–58.
a. The following localities have been
added to the list of high-cost localities: Oakland, California; Lewes, Delaware; Fort Myers, Florida; Hyannis, Massachusetts; Petoskey, Michigan; Portland, Oregon; Vancouver, Washington. b. The following localities have changed
the portion of the year in which they are high-cost localities: Aspen, Colorado; Denver/Aurora, Colorado; Telluride, Colorado; Vail, Colorado; Bar Harbor, Maine; Ocean City, Maryland; Nantucket, Massachusetts; Philadelphia, Pennsylvania; Jamestown/ Middletown/Newport, Rhode Island; Jackson/Pinedale, Wyoming. c. The following localities have been re moved from the list of high-cost localities: Sedona, Arizona; Los Angeles,
California; Vero Beach, Florida; Kill Devil, North Carolina.
Get a plain-English answer with a citation back to this text.
Ask AI about this code