The objective of Step 2 is to identify actual and potential adverse impacts with respect to OECD Annex II and consider adverse ESG factors in the Refiner’s silver supply chain. Due diligence is expected to be proportional to the business activities of each Refiner and its supply chains. An integrated due diligence process that considers sourcing from Conflict-Affected and High-Risk Areas (CAHRAs) as well as additional location-, supplier- or type of material-based high risks is considered most effective.

2.1 Conduct supply chain due diligence to identify potential risks.

Refiners must perform supply chain due diligence following a risk-based approach. This includes mapping the supply chain to identify and assess risks effectively. Due diligence must be undertaken before entering a new business relationship with a silver-supplying counterparty and must continue throughout the relationship.

Supply chain due diligence

A risk-based due diligence approach requires an assessment of the location and the supply chain that the silver-bearing material is sourced from as well as the type of silver-bearing material sourced. To identify high-risk supply chains, Refiners should undertake the following measures as a minimum.

Location risk identification should include, but is not limited to:

  • Determination of the origin of the silver source:
    - Mined Silver: The location of the mine (LSM and ASM).
    - Recycled Silver: The point in the silver supply chain where the silver is returned to the Refiner or other downstream intermediate processor or recycler.
    - Mining By-product: The point of separation of silver from the mineral base, as provided under the World Customs Organization’s Revised Kyoto Convention Annex K.[9]
    - Grandfathered Stocks: The determination of origin is not required for stocks with a Verifiable Date prior to 1 January 2018, otherwise origin is the location of the silver-supplying counterparty.
  • Determination of the general transportation routing of the silver source from origin to refinery.
  • Verification that sourcing from the Country of Origin is not in breach of any international sanctions.
  • Verification that the mine site is not located in a World Heritage Site and/or the Refiner provides official confirmation that the mining of Silver from ASM is permitted at the particular World heritage Site.

This location-based risk identification process must include an integrated assessment of all risks outlined in Step 1.1.

Sources of such an integrated assessment must include, but are not limited to:

  • Sanctions lists (US, UK, EU, UN, and relevant sanctions lists)
  • EU CAHRA list
  • Heidelberg Barometer
  • Fragile States Index or equivalent
  • UN Human Rights Office of the High Commissioner or equivalent
  • Reports (including relevant country reports) by the Financial Action Task Force (FATF)
  • Credible market intelligence on high-risk silver centres/transit hubs and on countries where there is a high risk of money laundering.

Refiners should also consider credible market intelligence to cover the risk factors included in Step 1.1, as relevant.

[9] World Customs Organization’s Revised Kyoto Convention Annex K. E3. / F1.:

“… substantial transformation criterion” means the criterion according to which origin is determined by regarding as the country of origin the country in which the last substantial manufacturing or processing, deemed sufficient to give the commodity its essential character, has been carried out.”

Supplier risk identification should include, but is not limited to:

  • Identification and verification of the silver-supplying counterparty’s name, physical address, corporate registration and licence information, using reliable, independent source documents, data or information.
  • Identification and verification of Ultimate Beneficial Owners (UBOs) (defined as 10% or more ownership) and authorised signatories [10] of the silver-supplying counterparty, using reliable and current government-issued photo identity documents.
  • Confirmation that the silver-supplying counterparty and its UBOs are not named on any government lists as wanted money launderers, or as known fraudsters or terrorists.
  • Obtaining the silver-supplying counterparty’s business and financial details, and information on the purpose and intended nature of the business relationship.

[10] Ultimate Beneficial Owners with significant influence over the silver-supplying counterparty and authorised signatories. Not required in the case of companies that are part of a group listed on a stock exchange or for banks with appropriate AML-CFT policies, or governmental authorities.

Type of material risk identification

Sections below detail additional due diligence measures specific to various types of sourced material and scale of sourcing operations. Refiners should use reasonable and good faith efforts to apply each of the measures described but may determine the extent of such measures on a risk-sensitivity basis depending on the location of the company and transit zones, and the type of company, business relationship or transaction.

Refiners may use independent audit, assurance or certification reports of conformance with recognised responsible sourcing standards (other initiatives) as supporting evidence for all or part of the requirements outlined below. The onus is on the Refiner to determine which aspects of the RSG are being addressed through other initiatives and to ensure residual RSG requirements are appropriately met.

Risk identification for Mined Silver from LSM should include, but is not limited to:

Using the KYC Questionnaire for Mined Material in the Refiners Toolkit, identification of risks by obtaining, assessing and, where possible, verifying against publicly available information:

  • Import/export silver licence for silver supplying counterparty, if applicable
  • Mining practice, including processing and transportation method
  • Production data and processing capacity, if available
  • Sources of any third-party stock including that from ASM, on the mine site and controls to appropriately manage these.
  • Anti-money laundering and terrorist financing policies and practices, where relevant
  • Bribery and corruption policies and practices, including payment to government.
  • Human rights policies and practices
  • Environmental policies and practices
  • Health and safety policies and practices
  • Labour policies and practices, if not already covered through other policies collected
  • Community engagement programmes
  • Ethics and business integrity policies and practices.



Note 1: Risk identification for silver sourced from owned mines

Where Refiners are sourcing from mines within the same corporate group as the Refiner, i.e., owned mines, it is expected that risk-based due diligence is still performed on applicable risks, e.g., management of third-party stock and ESG factors.

Note 2: Risk identification for silver sourced from Mining By-Products

Where Refiners source silver as a Mining By-product, a risk identification assessment should be undertaken along the supply chain up to the smelter where the silver is separated from the base or other metal.

The Refiner will be expected to conduct due diligence on the responsible sourcing policies and practices of the by-product supplying counterparty and assess whether the counterparty has appropriately identified and managed its high-risk supply chains in relation to threat financing risks, at a minimum.

The Refiner may adapt the KYC Questionnaire for Recycled Material to assess the smelter supplying the by-product, or use audits, assurance or certification reports for other recognised responsible sourcing initiatives (see Recognised Responsible Sourcing Standards), as supporting evidence.

A Refiner that only sources Mining By-product is still subject to an RSG assurance over its policies, processes and systems to manage the risk of false misrepresentations of origin.

Risk identification for Mined Silver from ASM should include, but is not limited to:

Using the KYC Questionnaire in the Refiners Toolkit, identification of risks by obtaining, assessing and, where possible, verifying against publicly available information:

  • Suppliers of ASM silver sources, including:
    - local artisanal mining team, association or cooperatives (it is not necessary to identify individual diggers)
    - ore processing plant
    - aggregators and traders
    - local silver exporter
  • Whether the mining project can be considered legitimate ASM (i.e., legally registered, cooperative-based and/or government-recognised, or central bank supported initiative)
  • Mining practice, including extraction, processing and transportation method
  • Use, storage and recovery of mercury, and if applicable, impact on the environment and the health of those involved in the production, handling and processing of silver.
  • Human rights practices and policies to the extent available
  • Environmental practices and policies to the extent available
  • Health and safety practices and policies to the extent available
  • Labour practices and policies to the extent available
  • Community engagement practices and policies to the extent available
  • Payments to government practices and policies to the extent available.

Risk identification for Recycled Silver should include, but is not limited to:

Using the KYC Questionnaire for Recycled Material in the Refiners Toolkit, identification of risks by obtaining, assessing and, where possible, verifying against publicly available information:

  • Main markets, products and customer segments of the counterparty
  • Profiles of the counterparty’s silver and precious metals suppliers
  • Types and forms of precious metals sourced by the counterparty.
  • Country of Origin of silver and precious metals processed by the facility.
  • Type and location of facilities operated by the counterparty (refining, manufacturing, jewellery production, pawn shops, etc.)
  • Import/export licences, if applicable
  • Anti-money laundering and terrorist financing policies and practices
  • Anti-bribery and corruption policies and practices
  • Responsible sourcing policies and processes.

Monitoring of transactions

The Refiner should conduct appropriate scrutiny and monitoring of transactions undertaken through the course of the relationship to ensure that the transactions are consistent with the Refiner’s knowledge of the supply chain and risk profile. The monitoring of transactions should be undertaken by applying a risk-based approach.

Transactions monitoring should include, but is not limited to:

  • Checking volumes, types and concentrations of silver-bearing material for consistency with previous shipments
  • Monitoring the actual transportation routing for each shipment
  • Verifying physical shipment against shipping/transportation documents (assays, weights, serial numbers)
  • Confirming that documents and materials are consistent with each other (purchase order, goods receipt, invoice) and with the KYC information (mine capacity, origin, sources).

Where material inconsistencies or suspicions are identified:

  • The silver should be physically segregated and secured (until the inconsistencies are resolved)
  • An investigation should be undertaken and documented.
  • Findings should be reported to the Compliance Officer, Board and appropriate authorities, as applicable.

2.2 Classify supply chains based on risk profiles.

Refiners must determine their own criteria to classify supply chains based on the risk profiles determined during the initial due diligence. Risk classification criteria are expected to incorporate the threat finance and ESG factors stipulated in Step 1.1 and should be regularly reviewed and updated. The following minimum criteria must be considered to determine zero-tolerance and high-risk supply chains.

Zero-tolerance supply chains

Where zero-tolerance issues are identified, the Refiner must not enter a business relationship with a silver-supplying counterparty or must terminate an existing relationship immediately. The Refiner must notify LBMA immediately as outlined in Step 5.1.3.

Zero-tolerance issues include, but are not limited to:

  • The Mined Silver is known to originate from areas designated as World Heritage Sites and no express authorisation has been provided.
  • The Mined or Recycled Silver is known to be sourced in breach of international sanctions (including but not limited to those of the UN, EU, UK and US)
  • The Mined or Recycled Silver supplying counterparty, other known upstream companies or their UBOs are known money launderers, fraudsters or terrorists, or have been implicit in serious human rights abuses, or in direct or indirect support to illegitimate non-state armed groups.

High-risk supply chains

Supply chains classified as high risk will trigger Enhanced Due Diligence (EDD).

Mined Silver or Silver as a Mining By-product risk classification

High-risk issues for Mined Silver or Siver as a Mining By-product should include, but are not limited to:

For location-based high risks, the Mined Silver or Silver as a Mining By-product:

  • Originates from, has transited or has been transported via a Conflict-Affected and High-Risk Area (CAHRA)
  • Is claimed to originate from a country through which silver from CAHRAs is known, or reasonably suspected, to transit.
  • Is claimed to have originated from a country that has limited known reserves, likely resources or expected production levels.

For supplier-based high risks, the silver-supplying counterparty or other known upstream companies:

  • Have shareholders, or UBOs, or other silver supplying interests in one of the location-based high-risk criteria.
  • Have UBOs that are Politically Exposed Persons (PEPs)
  • Have activities in a higher-risk business activity such as arms, gaming and casino industry, antiques and art, and sects and their leaders.
  • Have been known to have sourced silver from a high-risk country in the last 12 months.
  • Have material discrepancies/inconsistencies in the documentation provided or have refused to provide requested documentation.

For type of material-based high risks, the Mined Silver or Silver as a Mining By-product is:

  • Sourced from ASM
  • Produced with the use of mercury
  • Contributing to catastrophic harm or highly adverse ESG factors, to the extent that the Refiner is able to identify this (e.g., through a record in the public domain or in the Refiner’s due diligence file).

Recycled Silver risk classification

Risk classification of Recycled Material should be proportionate to the risks identified, with priority given to persons, place and transactions that present higher risk.

High-risk issues for Recycled Silver should include, but are not limited to:

For location-based high risks, the Recycled Silver:

  • Originates from, has transited or has been transported via a CAHRA as defined by the Refiner in Step 2.1
  • Is claimed to originate from a country through which silver from CAHRAs is known, or reasonably suspected, to transit, and/or is unjustifiably claimed to have originated from a country that has limited exports of silver.

For supplier-based high risks, the silver-supplying counterparty or other known upstream companies:

  • Operate in a money laundering high-risk country.
  • Have shareholders, or UBOs, or other silver-supplying interests in one of the location-based high-risk criteria.
  • Have UBOs who are Politically Exposed Persons (PEPs)
  • Have activities in a higher-risk business activity such as arms, gaming and casino industry, antiques and art, and sects and their leaders.
  • Have been known to have sourced silver from a high-risk country in the last 12 months.
  • Have significant unexplained geographic routing from their supplier or counterparty in the supply chain.

For type of material-based high risks, the Recycled Silver is:

  • From an Intermediate Refinery or trader with a red-flag supply chain, as per the OECD Due Diligence Guidance, or a trading counterparty sourcing from an Intermediate Refinery with a red-flag supply chain, as per the OECD Due Diligence Guidance.

2.3 Undertake Enhanced Due Diligence measures for high-risk supply chains.

Where EDD is triggered, Refiners must undertake an on-site investigation/visit at the location of the silver origin (i.e., mine sites for Mined Silver and the silver-supplying counterparty office for Recycled Silver).

The on-site visit should be, at a minimum, but not limited to:

  • Aimed at substantiating the documented KYC information.
  • Focused on investigating threat financing risks, as defined under Step 1.1, and the specific supply chain due diligence findings.
  • Conducted before any transactions occur or, at the least, within six months of the business relationship commencing.
  • Conducted by competent employees or independent third-party consultants, who are free of any conflict of interest with the supplier. Everyone conducting an on-site visit must commit to reporting truthfully and accurately.
  • Consult relevant internal and external stakeholders (for example, local or central authorities, upstream companies, international or civil society organisations, or affected third parties), where applicable
  • Fully and accurately documented in the Site Visit Report templates included in the Refiners Toolkit. Refiners choosing to not use the template will be required to justify their position.
  • Followed up, depending on the number and severity of issues identified and documented in the improvement plans.

Additionally, EDD measures should comprise the following steps based on the type of silver-bearing material received. These measures may be conducted during the on-site visit or remotely, as appropriate.

EDD measures for high-risk LSM silver supply chains should include, but are not limited to:

  • Proportionate KYC on each company involved in the conflict location-based high-risk supply chain from the mine to the refinery (including silver producers, intermediaries, silver traders and exporters, and transporters).
  • Understanding the nature of public or private security services provided at the mine sites and through the supply chain (including the screening and training of security personnel in line with the Voluntary Principles on Security and Human Rights).
  • Considering the risks of militarisation of mine sites and transportation routes, and direct or indirect support to illegitimate non-state armed group, or public or private security forces.
  • Determination of the risk of any serious human rights abuses committed by any party at mine sites, transportation routes and points where silver is traded and/or exported.
  • Estimating the number of Artisanal and Small-Scale Miners (if any) on the producer’s concession, and:
    - confirming their status as legitimate ASM
    - considering risks of silver from third-party sources unknowingly being introduced into the producer’s operations.
    - considering the relationship between producer and ASM actors to identify instances of conflict or tension.
  • Complete self-declaration of taxes and royalties compliance, as applicable.
  • Understanding payments or compensation made to government agencies and officials, public or private security forces, or other armed groups at all points in the supply chain from extraction onwards, unless prohibited by law.
  • Considering compliance with environmental, health, safety, labour, community, business integrity regulations, policies and good practices for issues identified in the initial due diligence.

EDD measures for high-risk ASM silver supply chains should include, but are not limited to:

  • Proportionate KYC on each company involved in the location-based high-risk supply chain from the ore processing plant or silver aggregator to the Refiner (including cooperatives, silver traders and exporters, and transporters).
  • Collecting information on the government, political or military affiliations of ASM suppliers, including any reported instances of affiliation with non-state armed group, or public or private security forces.
  • Collecting evidence of any serious human rights abuses committed by any party at mine sites, transportation routes and points where silver is traded and/or exported.
  • Considering the militarisation of mine sites and transportation routes, and the risk of direct or indirect support to illegitimate non-state armed group, or public or private security forces.
  • Considering any conflict or tensions in the relationship between LSM and ASM.
  • Considering the risk, suspicions or reports that silver from other sources is being unknowingly introduced into the silver supply chain and/or fraudulently represented.
  • Considering the storage, handling and usage of mercury, and the impacts on the environment and workers’ health.
  • Evaluating the appropriateness of other ESG risk management practices pertaining to issues identified in the initial due diligence.
  • Understanding payments or compensation made to government agencies and officials, public or private security forces, or other armed groups at all points in the supply chain from extraction onwards, unless prohibited by law.

EDD measures for high-risk Recycled Silver from Intermediate Refiners should include, but are not limited to:

  • An independent Assurance Report on the Intermediate Refiners’ responsible sourcing practices on a comply or explain basis. The assurance should:
    - include conformance with an OECD aligned responsible sourcing scheme
    - be commissioned by the Intermediate Refiner
    - be completed before the start of a new business relationship or within a reasonable timeframe [11] of the Refiner implementing this Guidance
  • The identity of the UBOs of the Intermediate Refiners.

[11] Existing suppliers will have until July 2025 to commission the assurance.

Note 3: EDD measures for silver sourced indirectly from Intermediate Refiners

Refiners sourcing Recycled Silver indirectly from Intermediate Refiners (e.g., through trading companies) should:

  • use best efforts to identify the Intermediate Refiners; and
  • review the due diligence to check whether red flags have, or reasonably should have been, identified in the Intermediate Refiners’ supply chains.

Where red-flags, as per the OECD Due Diligence Guidance are identified, the Refiner should:

  • determine whether the Intermediate Refiner’s due diligence processes are audited against an OECD aligned responsible sourcing scheme; and
  • apply risk management strategies in accordance with Step 3, where the Intermediate Refiner’s due diligence practices have not been audited or where any medium-risk or high-risk audit non-conformances have been identified.

Where, no red-flags have been identified, no additional due diligence is required on the material. If the Refiner is unable to identify the Intermediate Refiners, risk management procedures should be applied.

EDD measures for high-risk Recycled Silver from other sources should include, but are not limited to:

  • Checking government watchlist information for each company located in high-risk locations for Recycled Silver and involved in the supply chain from the counterparty to the refinery (including transporters).
  • Interviews with select management and site personnel to determine and corroborate the supply chain due diligence practices, purchasing, and anti-money laundering and counter-terrorist financing procedures.
  • Considering the counterparty’s competence and capacity for supply chain due diligence proportionate to risk.
  • Considering the appropriateness of the counterparty’s risk classification methodology.
  • Assessment of due diligence records to confirm that procedures are being undertaken as per the counterparty’s supply chain due diligence policy with due considerations for commercially sensitive information.
  • Assessment of on-site visit methodology to the counterparty’s high-risk supply chains, with due consideration for commercially sensitive information.

The Compliance Officer and/or the Board Committee should approve each new supply chain initially assessed as high-risk and should revisit each year the decision whether to continue with these business relationships or not.