Responsible Sourcing Assurance
We publish independent Assurance Reports and Company Reports (‘OECD Step 5 Due Diligence Reports’) for smelters who have undertaken assurance under Tin Code Standard 7.3 (Responsible Sourcing) against the ‘ITA-RMI Assessment Criteria for Tin Smelters (v2 Mar 2021)’ using the Tin Code Assurance System.
This includes the independently validated Tin Code Rating for Standard 7.3 (Responsible Sourcing).
Independent Assurance of Standard 7.3 (Responsible Sourcing)
Standard 7.3 (Responsible Sourcing) is one of 71 Environmental, Social and Governance standards of the Tin Code. As the full Tin Code Report covers a broader scope, some companies may have a standalone rating for Standard 7.3 (Responsible Sourcing) while other standards are being assessed. Full Tin Code Reports are published here.
This table contains the most recent Tin Code Assurance information. For previous years’ reports, please contact: tc@tincode.org
Assessment Period 2023-2024
| Company and Site | Period Covered by the Assessment | Date of Assurance Report | Assurance Report and Company Report | Tin Code Rating Standard 7.3 |
|---|---|---|---|---|
Mineração Taboca S/A Brazil | 1st Jan 2023-31 Dec 2023 | 16 December 2024 | Third-Party Verified 23 October 2025 | |
Mining Mineral Resources S.A.S. (MMR) | 1 Jan 2023 – 31 Dec 2023 | 23 December 2024 | Third-Party Verified 12 March 2025 | |
Operaciones Metalúrgicas S.A. smelter
| 1 Jun 2023 – 30 Sept 2024
| 20 November 2024
|
| Third-Party Verified 6 February 2025
|
White Solder Metalurgia e Mineração LTDA smelter | 9 Aug 2023 – 9 Sept 2024 | 21 November 2024 | Third-Party Verified 17 Dec 2024 | |
Malaysia Smelting Corporation Berhad smelter
| 1 Apr 2023- 31 Mar 2024
| 4 December 2024
|
| Third-Party Verified 12 Dec 2024
|
Minsur S.A. smelter | 1 Jan 2023 – 30 Jun 2024
| 30 September 2024
|
| Third-Party Verified 13 Nov 2024
|
Assessment Period 2022-2023
| Company and Site | Period Covered by the Assessment | Date of Assurance Report | Assurance Report and Company Report | Tin Code Rating Standard 7.3 |
|---|---|---|---|---|
Operaciones Metalúrgicas S.A. smelter
| 1 Jun 2022 – 31 May 2023
| 20 November 2024
|
| Third-Party Verified 6 February 2025
|
Malaysia Smelting Corporation Berhad smelter
| 1 Oct 2022 – 31 Mar 2023
| 14 December 2023
|
| Progressing 20 Dec 2023
|
White Solder Metalurgia e Mineração LTDA smelter
| 9 Aug 2022 – 9 Sept 2023
| 24 November 2023
|
| Third-Party Verified 20 Dec 2023
|
Notes
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The Tin Code is not a certification. Like many other systems, it does not guarantee that minerals are conflict-free.
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Tin Code Assurance is conducted by independent auditors registered by ITA.