By Harshavardhan SPublished: 2 min read

RCOI Process: How to Conduct a Reasonable Country of Origin Inquiry

A Reasonable Country of Origin Inquiry (RCOI) is the process a company uses to determine whether the 3TG minerals in its products may have originated in the Democratic Republic of the Congo (DRC) or an adjoining country, or whether they came from recycled or scrap sources, where the U.S. conflict minerals rule applies.

RCOI is an important step in the conflict minerals reporting process, but it is not the same as completing a CMRT.

The CMRT is a standardized tool for collecting supply-chain information. RCOI is the broader inquiry used to evaluate that information and reach a country-of-origin determination. The SEC requires an RCOI to be conducted in good faith and reasonably designed to make that determination.

What Is the RCOI Process?

For a company subject to the SEC conflict minerals rule, the process can be summarized as:

Determine scope → Identify relevant suppliers → Collect information → Evaluate country of origin → Review smelters/refiners → Investigate gaps → Document the conclusion → Determine next steps

The purpose is not simply to obtain a supplier declaration saying that minerals are "conflict free."

The inquiry needs to provide a reasonable basis for determining whether the minerals originated in the covered countries or came from recycled or scrap sources.

RCOI vs. CMRT: What Is the Difference?

The two are closely connected, but they serve different purposes.

RCOI

CMRT

Compliance inquiry/process

Standardized reporting template

Used to determine country of origin

Used to collect supplier information

Evaluates information and evidence

Provides structured supplier declarations

Can involve follow-up investigation

Provides information for that investigation

Supports the company's reporting determination

Supports supply-chain data collection

The RMI recommends using the CMRT or an equivalent to help identify smelters and refiners rather than relying only on a simple supplier declaration.

Step 1: Define the RCOI Scope

Before contacting suppliers, establish what the inquiry needs to cover.

For companies subject to the SEC rule, the starting point is determining whether they manufacture or contract to manufacture products in which conflict minerals are necessary to the functionality or production of the product.

The company should then identify:

  • Products within scope
  • Relevant components and materials
  • Suppliers associated with those products
  • 3TG that may be present
  • Applicable reporting period
  • Information required from suppliers

This scope determines who needs to participate in the RCOI.

Step 2: Identify Relevant Suppliers

Supplier identification is often one of the most difficult operational parts of the process.

A company may know its Tier 1 supplier but have limited visibility into the smelter or refiner further upstream.

The objective is therefore not simply to ask every supplier the same question.

Companies should identify suppliers and products where 3TG may be necessary to product functionality or production and prioritize the supply-chain relationships that can provide relevant information.

For large supplier populations, this requires a controlled process for:

  • Supplier identification
  • Supplier segmentation
  • Outreach
  • Response tracking
  • Escalation

Step 3: Collect Supplier Information

Once suppliers have been identified, the company can request the information needed for the inquiry.

The CMRT is commonly used for this purpose.

The RMI provides standardized reporting templates specifically to facilitate the transfer of information about mineral country of origin and smelters and refiners in the supply chain. (Responsible Minerals Initiative)

Supplier outreach should clearly communicate:

  • Why the information is required
  • Products or components in scope
  • Applicable reporting period
  • Required template
  • Submission deadline
  • Supporting information required

Simply sending the CMRT and waiting for responses is rarely enough for a large supplier population.

Non-responses and incomplete submissions need to be tracked and followed up.

For the detailed template process, see How to Complete a CMRT.

Step 4: Review Supplier Responses

A submitted CMRT should not automatically be treated as a completed RCOI.

The response needs to be reviewed for:

  • Completeness
  • Reporting scope
  • 3TG declarations
  • Smelter/refiner information
  • Country-of-origin information
  • Inconsistent responses
  • Missing information
  • Outdated information

For example, a supplier may submit a CMRT but fail to identify the relevant smelters and refiners.

That creates an information gap that may require additional supplier engagement.

See CMRT Reporting Template for the information collected through the template.

Step 5: Evaluate Smelter and Refiner Information

Smelters and refiners are a critical point in the 3TG supply chain.

RMI notes that downstream companies may have difficulty obtaining specific country-of-origin information and recommends using the CMRT or equivalent to identify smelters and refiners.

The company should review the facilities identified by suppliers and investigate:

  • Unknown facilities
  • Incomplete facility names
  • Incorrect facility identifiers
  • Facilities that cannot be matched to reference information
  • Relevant assurance or audit status

RMI also provides country-of-origin information for qualifying conformant smelters and refiners through its RCOI data resource.

For the detailed facility-validation process, see CMRT Smelter Validation: Conflict Minerals Compliance Gaps.

Step 6: Investigate RCOI Red Flags

Not every supplier response will provide enough information to reach a clear conclusion.

Common issues include:

  • Supplier does not respond
  • CMRT is incomplete
  • Supplier provides outdated information
  • Supplier cannot identify its smelters or refiners
  • Facility information cannot be matched
  • Country-of-origin information is unavailable
  • Supplier responses contain inconsistencies
  • Previous-year information has been copied without confirmation

These issues should be documented and investigated according to the company's RCOI procedures.

A weak RCOI process is not simply one with a low response rate. The bigger issue is failing to identify, investigate and document material information gaps.

Step 7: Document the RCOI

Documentation is an important part of demonstrating how the inquiry was performed.

Maintain records of:

  • Suppliers included in the inquiry
  • Products or components considered
  • CMRT requests
  • Supplier responses
  • Follow-up communications
  • Validation activities
  • Identified smelters and refiners
  • Exceptions and unresolved gaps
  • Additional investigations
  • Final country-of-origin determination

The SEC requires companies to provide a brief description of the RCOI undertaken and its results when the applicable reporting outcome does not require a Conflict Minerals Report. (SEC)

The documentation should therefore allow the company to explain what it asked, what it received, what it evaluated and how it reached its conclusion.

What Happens After the RCOI?

The result of the RCOI determines the next step under the SEC conflict minerals framework.

If the company determines that the minerals did not originate in the covered countries, or that they came from recycled or scrap sources, or has no reason to believe they may have originated in the covered countries or may not be recycled/scrap, the reporting requirements differ from a situation where the company knows or has reason to believe the minerals may have originated in the covered countries.

Where the RCOI indicates that the minerals may have originated in the covered countries and may not be from recycled or scrap sources, the company proceeds to the applicable due diligence stage.

This is why RCOI should be treated as a defined stage in the compliance process rather than as a supplier questionnaire exercise.

RCOI Process Checklist

Before closing the RCOI, confirm that you have:

Common RCOI Mistakes

Treating the CMRT as the RCOI

A CMRT provides standardized supplier information. It does not eliminate the need to evaluate that information.

Accepting every supplier response without validation

A completed template can still contain incomplete, inconsistent or outdated information.

Relying only on a "conflict-free" declaration

RMI recommends using the CMRT or equivalent to identify smelters and refiners; a simple non-use declaration may not provide sufficient information for the broader inquiry and due diligence.

Failing to document follow-ups

If suppliers do not respond or provide incomplete information, retain evidence of the outreach and escalation performed.

Treating RCOI as a once-a-year spreadsheet exercise

The reporting may be annual, but the underlying supplier information and supply-chain risks can change.

RCOI Is a Process, Not a Form

The CMRT gives companies a standardized way to collect 3TG supply-chain information.

RCOI is what the company does with that information.

The operational process is:

Scope → Supplier outreach → CMRT collection → Validation → Investigation → Country-of-origin determination → Documentation → Due diligence, where required

For companies managing hundreds or thousands of suppliers, maintaining this process through spreadsheets and email can make response tracking, escalation, validation and evidence management difficult.

A centralized CMRT compliance software workflow can bring supplier campaigns, CMRT collection, validation, response tracking and reporting evidence into one process.

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What is a Reasonable Country of Origin Inquiry (RCOI)?

What is a Reasonable Country of Origin Inquiry (RCOI)?
An RCOI is a process used to identify the countries of origin for 3TG minerals (tin, tantalum, tungsten, gold) in your products. It serves as the first step toward ensuring conflict-free sourcing and regulatory compliance
Why is performing an RCOI important for businesses?
It’s legally required under U.S. Section 1502 of the Dodd‑Frank Act and helps build ethical sourcing practices, avoids financing armed conflict, aligns with OECD and EU due diligence standards, and supports sustainable supply chains
What are the key steps in conducting an RCOI?
The RCOI process involves: Identifying products with 3TG materials, Collecting responses via CMRT from suppliers, Verifying smelter data against recognized lists (e.g., RMI), Flagging red flags (e.g., sourcing from CAHRAs), and Documenting findings and, if needed, filing Form SD.
What is CMRT and why is it used in RCOI?
The Conflict Minerals Reporting Template (CMRT) is an industry-standard tool used to collect sourcing information from suppliers. It streamlines gathering material origin data and identifying smelters or refiners in your supply chain.
What global standards enforce or reference RCOI?
RCOI is mandated by the U.S. Dodd‑Frank Act (Section 1502) , endorsed by the OECD’s Due Diligence Guidance, and required under the EU Conflict Minerals Regulation (Regulation 2017/821), with other emerging frameworks like the EU CSDDD following its lead.
What are common challenges when conducting an RCOI?
Major hurdles include low supplier response rates, incomplete CMRTs , unreliable smelter data, and heavy manual follow-ups issues that can severely delay compliance.
How can automation tools like Acquis support RCOI?
Acquis automates CMRT collection , smelter validation against trusted lists, Form SD filing prep, AI-driven risk detection, dashboard reporting, and long-term documentation—all to reduce manual effort and strengthen compliance.
What does RCOI stand for?
RCOI stands for Reasonable Country of Origin Inquiry .
What is the purpose of an RCOI?
The purpose is to determine, where the SEC conflict minerals rule applies, whether 3TG may have originated in the DRC or an adjoining country or may be from recycled or scrap sources.
Is CMRT the same as RCOI?
No. CMRT is a standardized reporting template; RCOI is the inquiry and evaluation process.
Does RCOI come before due diligence?
Yes. Under the SEC conflict minerals framework, RCOI is a distinct step. If the inquiry produces the applicable indications that minerals may have originated in the covered countries and may not be recycled or scrap, the company proceeds to due diligence.
What evidence should be retained for an RCOI?
Companies should retain supplier requests, responses, follow-ups, validation records, identified facilities, investigations and the basis for the final determination.