Wash. Admin. Code § 458-18-220

Current through Register Vol. 24-12, June 15, 2024
Section 458-18-220 - Refunds-Rate of interest
(1)Introduction. Interest applies to refunds of taxes made pursuant to RCW 84.69.010 through 84.69.090 in accordance with RCW 84.69.100. Interest also applies to judgments entered in favor of the plaintiff pursuant to RCW 84.68.030.
(2)Calculation of interest rate. The interest rate is calculated from the equivalent coupon issue yield of the average bill rate for 26-week treasury bills as determined at the first bill market auction conducted after June 30th of the calendar year preceding the date the taxes were paid.
(3)Interest rates. The following rates are applied to the amount of the judgment or the amount of the refund, until paid:

Year tax

Auction

paid

Year

Rate

1984

1983

9.29%

1985

1984

11.27%

1986

1985

7.36%

1987

1986

6.11%

1988

1987

5.95%

1989

1988

7.04%

1990

1989

8.05%

1991

1990

8.01%

1992

1991

5.98%

1993

1992

3.42%

1994

1993

3.19%

1995

1994

4.92%

1996

1995

5.71%

1997

1996

5.22%

1998

1997

5.14%

1999

1998

5.06%

2000

1999

4.96%

2001

2000

5.98%

2002

2001

3.50%

2003

2002

1.73%

2004

2003

0.95%

2005

2004

1.73%

2006

2005

3.33%

2007

2006

5.09%

2008

2007

4.81%

2009

2008

2.14%

2010

2009

0.29%

2011

2010

0.21%

2012

2011

0.08%

2013

2012

0.15%

2014

2013

0.085%

2015

2014

0.060%

2016

2015

0.085%

2017

2016

0.340%

2018

2017

1.130%

2019

2018

2.085%

2020

2019

2.040%

2021

2020

0.165%

2022

2021

0.050%

2023

2022

2.50%

2024

2023

5.26%

Wash. Admin. Code § 458-18-220

Amended by WSR 14-01-059, filed 12/13/13, effective 1/1/2014
Amended by WSR 15-01-166, Filed 12/23/2014, effective 1/1/2015
Amended by WSR 16-01-035, Filed 12/9/2015, effective 1/1/2016
Amended by WSR 17-01-162, Filed 12/21/2016, effective 1/1/2017
Amended by WSR 18-01-147, Filed 12/20/2017, effective 1/1/2018
Amended by WSR 19-02-058, Filed 12/27/2018, effective 1/1/2019
Amended by WSR 20-02-056, Filed 12/24/2019, effective 1/1/2020
Amended by WSR 21-01-210, Filed 12/23/2020, effective 1/1/2021
Amended by WSR 22-04-028, Filed 1/24/2022, effective 1/1/2022
Amended by WSR 23-01-007, Filed 12/7/2022, effective 1/1/2023
Amended by WSR 24-03-001, Filed 1/3/2024, effective 1/3/2024

Statutory Authority: RCW 84.34.360, 84.34.065, 84.34.141, and 84.69.100. 13-02-053, § 458-18-220, filed 12/26/12, effective 1/1/13; 12-01-040, § 458-18-220, filed 12/13/11, effective 1/1/12. Statutory Authority: RCW 84.69.100. 11-02-017, § 458-18-220, filed 12/29/10, effective 1/1/11; 10-07-038, § 458-18-220, filed 3/10/10, effective 4/10/10; 08-24-094, § 458-18-220, filed 12/2/08, effective 1/2/09; 07-24-037, § 458-18-220, filed 11/30/07, effective 12/31/07; 06-21-059, § 458-18-220, filed 10/16/06, effective 11/16/06; 05-22-096, § 458-18-220, filed 11/1/05, effective 12/2/05; 04-24-101, § 458-18-220, filed 12/1/04, effective 1/1/05; 03-24-014, § 458-18-220, filed 11/20/03, effective 12/21/03; 02-23-081, § 458-18-220, filed 11/19/02, effective 12/20/02; 02-03-039, § 458-18-220, filed 1/8/02, effective 2/8/02; 00-24-106, § 458-18-220, filed 12/6/00, effective 12/31/00; 99-24-033, § 458-18-220, filed 11/23/99, effective 12/24/99. Statutory Authority: RCW 84.08.010, 84.08.070 and 84.69.100. 99-01-066, § 458-18-220, filed 12/14/98, effective 1/1/99; 98-01-177, § 458-18-220, filed 12/23/97, effective 1/1/98; 97-02-068, § 458-18-220, filed 12/31/96, effective 1/1/97; 96-01-093, § 458-18-220, filed 12/19/95, effective 1/1/96; 95-06-044, § 458-18-220, filed 2/24/95, effective 3/27/95; 94-05-063, § 458-18-220, filed 2/11/94, effective 3/14/94. Statutory Authority: RCW 84.08.010 and 84.69.100. 93-06-096, § 458-18-220, filed 3/3/93, effective 4/3/93; 92-17-027, § 458-18-220, filed 8/11/92, effective 9/11/92; 91-15-024, § 458-18-220, filed 7/11/91, effective 8/11/91. Statutory Authority: RCW 84.69.100 and 84.08.010(2). 89-10-067 (Order PT 89-6), § 458-18-220, filed 5/3/89; 88-07-003 (Order PT 88-3), § 458-18-220, filed 3/3/88. Statutory Authority: RCW 84.69.100 as amended by 1987 c 319 and 84.08.010(2). 87-19-141 (Order PT 87-7), § 458-18-220, filed 9/23/87.