On 15 October 2026, the Chilean Internal Revenue Service (Servicio de Impuestos Internos, SII) issued Circular No. 41, publishing the official monthly adjustment factors and penalty interest rates applicable for November 2026. This circular is released pursuant to Articles 53 and 97 of the Chilean Tax Code, which mandate the monthly publication of monetary correction indices used for calculating late payment interest, inflation adjustments on tax debts, and statutory penalties. The tables are essential for taxpayers, withholding agents, and tax advisors to compute accurate liabilities for tax obligations due in November, including Value Added Tax (VAT), Corporate Income Tax, Personal Income Tax (Second Category), and other levies subject to monetary correction (reajuste). The circular provides daily adjustment factors (factores de reajuste diario) for each day of November 2026, enabling precise calculation of inflation-indexed tax debts, outstanding balances, and the revaluation of tax credit carryforwards. Additionally, it specifies the monthly penalty interest rate (tasa de interés penal mensual) applicable to late tax payments, which is critical for determining the cost of non-compliance and for structuring payment agreements with the tax administration. Failure to apply these updated rates may result in underpayment of tax liabilities and exposure to additional penalties.
Key Takeaways
- Updated Monthly Adjustment Factors: The circular provides the daily adjustment factors for each day of November 2026, enabling precise calculation of inflation-indexed tax debts, outstanding balances, and the revaluation of tax credit carryforwards.
- Penalty Interest Rates: It specifies the monthly penalty interest rate applicable to late tax payments, which is critical for determining the cost of non-compliance and for structuring payment agreements with the SII.
- Mandatory Application: All taxpayers, withholding agents, and tax representatives must apply these official rates when settling tax liabilities, filing amended returns, or entering into payment agreements with the SII during November 2026.
Disclaimer: This article is compiled and summarized by the AI based on publicly available information and is for general information purposes only. It does not constitute any form of formal tax advice, legal opinion, or basis for performance. Please consult a qualified professional tax advisor or legal counsel for tax advice.
Source: Read Official Announcement