SRI has amended deadlines for submitting the Mining Activities Information Form, affecting monthly and transitional reporting periods from 2022 to 2025.
The Internal Revenue Service (SRI) issued ResolutioNAC-DGERCGC26-00000001 on 9 January 2026, amending Resolution NAC-DGERCGC25-00000004 to update the submission schedule for the “Formulario Informativo Actividades Mineras” (Mining Activities Information Form).
Under the resolution, all persons subject to the form must submit it monthly for the activities carried out, even if no activities occurred. Deadlines are determined by the ninth digit of the taxpayer’s RUC, now set between the 11th and 28th of the following month.
The transitional deadlines for prior fiscal years are as follows:
|
Fiscal Year |
RUC Ninth Digit | Submission Date |
|
2022 |
1 & 2 | 2 Feb 2026 |
| 3 & 4 | 3 Feb 2026 | |
| 5 & 6 | 4 Feb 2026 | |
| 7 & 8 | 5 Feb 2026 | |
| 9 & 0 | 6 Feb 2026 | |
|
2023 |
1 & 2 | 2 Mar 2026 |
| 3 & 4 | 3 Mar 2026 | |
| 5 & 6 | 4 Mar 2026 | |
| 7 & 8 | 5 Mar 2026 | |
| 9 & 0 | 6 Mar 2026 | |
|
2024 |
1 & 2 | 1 Apr 2026 |
| 3 & 4 | 2 Apr 2026 | |
| 5 & 6 | 7 Apr 2026 | |
| 7 & 8 | 13 Apr 2026 | |
| 9 & 0 | 15 Apr 2026 | |
| 2025 | 1 & 2 | 4 May 2026 |
| 3 & 4 | 5 May 2026 | |
| 5 & 6 | 6 May 2026 | |
| 7 & 8 | 7 May 2026 | |
| 9 & 0 |
8 May 2026 |
The resolution, signed by SRI General Director Alexandra Verónica Navarrete Ricaurte, is effective immediately upon publication in the Official Registry.
Earlier, the Ecuadorian Internal Revenue Service (SRI) issued Resolution No. NAC-DGECCGC25-00000023 on 22 August 2025, introducing the replacement of all references to the Mining Annex with the Mining Activities Information Form.
