WorkflowEU

EU RoHS Directive BOM evidence intake workflow

RoHS evidence intake starts with the bill of materials, but the legal restriction is applied to homogeneous materials, not just purchasable part numbers.

Use this workflow to decide what supplier evidence, material declarations, exemption records, or test reports are needed before the RoHS technical file and EU declaration are trusted.

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Author
Sorena AI
Published
May 9, 2026
Updated
May 9, 2026
Sections
3

Structured answer sets in this page tree.

Primary sources
6

Cited legal and guidance references.

Publication metadata
Sorena AI
Published May 9, 2026
Updated May 9, 2026
Overview

A RoHS BOM intake workflow turns supplier paperwork into an auditable evidence file. The useful unit of review is not only the purchased component: teams need to identify the EEE, the economic-operator role, the homogeneous materials inside relevant parts, the applicable restricted-substance limits, any claimed exemption, and the evidence that supports each conclusion.

Section 1

Start with scope, role, and homogeneous-material risk

Open a BOM intake record when a new EEE is planned for the EU market, when a supplier or material changes, or when the technical file cannot show why a RoHS conclusion was accepted. Record whether the company is acting as manufacturer, importer, distributor, or authorised representative because RoHS assigns different checks and document-retention duties to those roles.

For each BOM item, break the compliance question down to homogeneous materials where practical. Directive 2011/65/EU defines a homogeneous material as one uniform material, or a material combination that cannot be separated into different materials by mechanical action. Supplier declarations that only say a finished assembly is compliant are weaker when they do not identify the materials, substances, exemptions, and supporting basis behind that statement.

  • Identify the finished EEE, product family, model, intended EU market, and whether any RoHS scope exclusion is being relied on.
  • Map each critical BOM line to supplier, manufacturer part number, revision, material family, contact surface, coating, solder, cable, plastic, or other homogeneous-material concern.
  • Flag high-risk gaps: missing declarations, obsolete part revisions, unknown plating or solder composition, recycled or alternate materials, separate cables or accessories, and components sold both as spare parts and as production parts.
  • Record the economic-operator role and the owner responsible for resolving missing evidence before release or shipment.
Sources for this answer
Directive 2011/65/EU on restriction of hazardous substances (RoHS)
Binding consolidated RoHS source for definitions, economic-operator roles, scope, restricted substances, technical documentation, EU declarations, and CE marking.
European Commission RoHS implementation page
Commission implementation page covering RoHS exemptions, applications, assessment studies, and the exemption decision process.
Section 2

Collect evidence that matches the material decision

BOM intake should not accept every supplier document at the same value. Match the evidence type to the risk and decision being made: low-risk catalog parts may be supported by current supplier declarations, while uncertain alloys, solders, coatings, plastics, phthalate-sensitive materials, or exemption claims may require deeper material declarations, targeted test reports, or engineering review.

The intake record should make the restricted-substance check explicit. RoHS Annex II sets maximum concentration values by weight in homogeneous materials for lead, mercury, hexavalent chromium, PBB, PBDE, BBP, DBP, DIBP, and DEHP at 0.1%, and cadmium at 0.01%. If the evidence does not reach the homogeneous-material level, state the limitation instead of treating the BOM line as closed.

  • Ask suppliers for the exact part number, revision, declaration date, substance coverage, exemption number if used, and whether the declaration covers all supplied variants.
  • Separate supplier declarations, full material declarations, test reports, exemption justifications, and engineering assumptions so reviewers can see the evidence basis.
  • Reject stale or ambiguous evidence when it does not cover the part revision, the supplied configuration, the relevant substance list, or the claimed exemption.
  • Escalate to testing or supplier corrective action when a material is unknown, evidence conflicts, or a restricted substance is plausible in a homogeneous material.
Sources for this answer
Directive 2011/65/EU on restriction of hazardous substances (RoHS)
Binding consolidated RoHS source for Annex II restricted substances, maximum concentration values, exemptions, and conformity obligations.
Commission Delegated Directive (EU) 2015/863 adding phthalates to RoHS Annex II
Binding source for the four phthalates added to RoHS Annex II.
Recommended next step

Turn BOM intake into RoHS-ready evidence

Convert supplier declarations, material records, exemption claims, and test decisions into a RoHS evidence pack that supports technical documentation, release reviews, and authority responses.

Research workflow
Open Research Copilot

Answer RoHS scope, evidence, exemption, and technical-file questions with cited outputs.

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Talk to Sorena
Talk through implementation

Review your scope, evidence model, controls, and next actions.

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Section 3

Close the loop into the RoHS technical file

The workflow is finished only when the BOM evidence can be traced into the RoHS technical documentation and the EU declaration decision. Manufacturers must draw up technical documentation, carry out the internal production control procedure, draw up the EU declaration of conformity when conformity is demonstrated, affix CE marking, and keep the technical documentation and EU declaration for 10 years after the EEE has been placed on the market.

Use EN IEC 63000:2018 as the technical-documentation anchor where applicable. Commission Implementing Decision (EU) 2020/659 lists EN IEC 63000:2018 for technical documentation used to assess materials, components, and EEE with respect to hazardous-substance restrictions, and the Commission harmonised-standards page explains that RoHS harmonised-standard references are published through Commission implementing decisions.

  • Store a scope and role memo, BOM evidence matrix, supplier evidence files, restricted-substance decisions, exemption register, test-plan rationale, test reports where used, and unresolved assumptions.
  • Link each accepted evidence item to the exact BOM line, material concern, supplier revision, source date, reviewer, and release decision.
  • Trigger review after part changes, supplier changes, exemption expiry or renewal activity, standard-reference changes, non-conforming product findings, recalls, complaints, or authority requests.
  • For importers and distributors, record the checks performed on CE marking, required documents, manufacturer and importer details, and access to conformity documentation.
Sources for this answer
Directive 2011/65/EU on restriction of hazardous substances (RoHS)
Binding consolidated RoHS source for technical documentation, EU declaration, CE marking, manufacturer, importer, and distributor obligations.
Commission Implementing Decision (EU) 2020/659 on EN IEC 63000
Official source listing EN IEC 63000:2018 for RoHS technical documentation for materials, components, and EEE.
European Commission - RoHS harmonised standards
Commission page for RoHS harmonised standards and Official Journal references.
Primary sources

References and citations

Commission Implementing Decision (EU) 2020/659 on EN IEC 63000
data.europa.eu
Referenced sections
  • Official source listing EN IEC 63000:2018 for RoHS technical documentation for materials, components, and EEE.
"technical documentation required for assessing materials, components and electrical and electronic equipment"
Commission Notice - Blue Guide on EU product rules (2022)
eur-lex.europa.eu
Referenced sections
  • General EU product-law guidance for economic-operator responsibilities, CE marking, EU declarations, conformity assessment, and market surveillance concepts.
"The manufacturer is responsible for the conformity assessment."
European Commission RoHS implementation page
environment.ec.europa.eu
Referenced sections
  • Commission implementation page covering RoHS exemptions, applications, assessment studies, and the exemption decision process.
"The RoHS Directive allows for exemptions from its restrictions"
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