Formelbeispiel: 7% ÷ 365 = Tagessatz x Anzahl der Verzugstage x Steuer = fällige Zinsen
| Jahr | 1. Qtr. | 2. Qtr. | 3. Qtr. | 4. Qtr. |
|---|---|---|---|---|
| 2025 | 7% | |||
| 2024 | 8% | 8% | 8% | 8% |
| 2023 | 7% | 7% | 7% | 8% |
| 2022 | 3% | 4% | 5% | 6% |
| 2021 | 3% | 3% | 3% | 3% |
| 2020 | 5% | 5% | 3% | 3% |
| 2019 | 6% | 6% | 5% | 5% |
| 2018 | 4% | 5% | 5% | 5% |
| 2017 | 4% | 4% | 4% | 4% |
| 2016 | 3% | 4% | 4% | 4% |
| 2015 | 3% | 3% | 3% | 3% |
| 2014 | 3% | 3% | 3% | 3% |
| 2013 | 3% | 3% | 3% | 3% |
| 2012 | 3% | 3% | 3% | 3% |
| 2011 | 3% | 4% | 4% | 3% |
| 2010 | 4% | 4% | 4% | 4% |
| 2009 | 5% | 4% | 4% | 4% |
| 2008 | 7% | 6% | 5% | 6% |
| 2007 | 8% | 8% | 8% | 8% |
| 2006 | 7% | 7% | 8% | 8% |
| 2005 | 5% | 6% | 6% | 7% |
| 2004 | 4% | 5% | 4% | 5% |
| 2003 | 5% | 5% | 5% | 4% |
| 2002 | 6% | 6% | 6% | 6% |
| 2001 | 9% | 8% | 7% | 7% |
| 2000 | 8% | 9% | 9% | 9% |
| 1999 | 7% | 8% | 8% | 8% |
| 1998 | 9% | 8% | 8% | 8% |
| 1997 | 9% | 9% | 9% | 9% |
| 1996 | 9% | 8% | 9% | 9% |
| 1995 | 9% | 10% | 9% | 9% |
| 1994 | 7% | 7% | 8% | 9% |
| 1993 | 7% | 7% | 7% | 7% |
| 1992 | 9% | 8% | 8% | 7% |
Wie in 26 USCA 6621 festgelegt, gemäß Abschnitt 40-1-44, Code of Alabama 1975. Gemäß Abschnitt 40-1-44 des Code of Alabama 1975 berechnet das Alabama Department of Revenue Zinsen auf zu niedrige und zu hohe Zahlungen (sofern zutreffend) zum gleichen Jahressatz, mit Ausnahme von Grundstücken, die vom Staat für Steuern verkauft wurden; diese werden gemäß Abschnitt 40-5-9 mit 12 % berechnet.