Chile’s Internal Revenue Service (SII) issued Resolution Ex. SII No. 91-2024 on 12 September 2024, outlining the deadlines for submitting various tax forms in 2025.
The resolution went into effect on the date of publishing.
The forms and their respective submission deadlines:
| Form No. | Deadline | |
| 1 | 1811, 1822, 1834, 1891, 1900, 1902, and 1903 | 3 March 2025 |
| 2 | 1896 and 1898 | 10 March 2025 |
| 3 | 1948 (Public Limited Companies) | 14 March 2025 |
| 4 | 1870, 1871, 1873, and 1890 | 17 March 2025 |
| 5 | 1949 and 1955 | 21 March 2025 |
| 6 | 1812, 1832, 1862, 1895, 1897, 1899, 1904, 1909, 1914, 1919, and 1932 | 24 March 2025 |
| 7 | 1835 | 25 March 2025 |
| 8 | 1828, 1874, 1889, 1894, and 1948 (company with partners in legal persons) | 26 March 2025 |
| 9 | Nos. 1829, 1840, 1841, 1843,1879, 1887, 1922, 1933, 1944, 1953,1956, 1943 (company with natural person partners), 1947 (partnership with natural person partners), and 1948 (partnership with natural person partners) | 28 March 2025 |
| 10 | 1837 | 16 May 2025 |
| 11 | Along with Form 22 (annual income tax return) – 1947 (sole proprietors) and 1948 (sole proprietors) | 16 May 2025 |
| 12 | 1847, 1866, 1867, 1907, 1913, 1926, 1929, 1930, 1937, 1945, 1946, 1950, 1951, and 1952 | 30 June 2025 |
