Time granted by a taxing authority, such as the Internal Revenue Service (IRS), a state or city, which allows the taxpayer to file tax returns later than the original due date.
Barry Goldsmith
| APA | Barry Goldsmith. (2010). extension. Retrieved September 21, 2026, from http://smartdefine.org/extension/definitions/1153524 |
| Chicago | Barry Goldsmith. 2010. "extension" http://smartdefine.org/extension/definitions/1153524 (accessed September 21, 2026). |
| Harvard | Barry Goldsmith 2010, extension, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/extension/definitions/1153524>. |
| MLA | Barry Goldsmith. "extension" 21 October 2010. Web. 21 September 2026. <http://smartdefine.org/extension/definitions/1153524> |