What is the primary objective of **ISO 14064**?

**ISO 14064 provides requirements and guidance for quantifying, reporting, and verifying greenhouse gas (GHG) emissions and removals.** The standard family—**ISO 14064-1:2018** for organizational inventories, **ISO 14064-2:2019** for project-level reductions/removals, and **ISO 14064-3:2019** for validation/verification—ensures inventories adhere to five principles: **relevance**, **completeness**, **consistency**, **transparency**, and **accuracy**. It enables credible GHG statements for regulatory reporting, investor disclosure, and carbon markets.

Who is legally or professionally required to comply with **ISO 14064**?

**No organization is legally mandated to comply with ISO 14064, as it is a voluntary international standard.** It is professionally required for entities in emissions trading schemes, green finance, or stakeholder demands for verifiable GHG data, including companies, governments, NGOs, project developers, and verification bodies. Mid-to-large organizations with material footprints (e.g., energy, manufacturing) adopt it for credibility in disclosures like CDP or supply-chain reporting.

Does **ISO 14064** require an external audit or third-party certification?

**ISO 14064 does not require external audit or third-party certification.** Parts 1 and 2 provide self-implementation guidance, while **ISO 14064-3** offers optional validation/verification processes at limited or reasonable assurance levels by competent, impartial bodies (aligned with **ISO 14065:2020**). External assurance enhances credibility for markets but remains voluntary.

How often should an assessment for **ISO 14064** be performed?

**ISO 14064 assessments should be performed annually to ensure consistency and comparability.** Organizational inventories under **ISO 14064-1** cover a defined reporting period (typically calendar year), with base-year recalculations for significant structural changes. Project monitoring under **ISO 14064-2** follows defined plans, and verification under **ISO 14064-3** aligns with reporting cycles.

What are the consequences of non-compliance with **ISO 14064**?

**Non-compliance with ISO 14064 carries no direct penalties, as it is voluntary.** Indirect consequences include rejected GHG claims in carbon markets, failed stakeholder assurance (e.g., investors, regulators), reputational damage from greenwashing accusations, and exclusion from emissions trading or green finance due to unverifiable inventories.

An **ISO 14064** be mapped to other international frameworks?

**Yes, ISO 14064 aligns closely with the GHG Protocol Corporate Standard's principles and Scope 1-3 categories.** Its five principles mirror GHG Protocol requirements, enabling interoperable inventories. **ISO 14064-1** supports organizational reporting, **ISO 14064-2** project baselines/additionality, and **ISO 14064-3** integrates with assurance standards like ISAE 3410, facilitating multi-framework use.

What is the first step to begin implementing **ISO 14064**?

**The first step is defining organizational and operational boundaries.** Select consolidation approach (**equity share** or **control**—financial/operational), identify emission sources/sinks, and classify into Scopes 1-3 per **ISO 14064-1**. Document relevance to ensure inventories reflect economic reality and support intended uses like compliance or decarbonization.

What is the primary objective of **AS9100**?

**AS9100's primary objective is to establish a quality management system (QMS) for aviation, space, and defense organizations that ensures product safety, configuration integrity, and supply chain reliability.** It builds on ISO 9001:2015 with over 100 aerospace-specific requirements, including Clause 8.1.2 configuration management, 8.1.3 product safety, and 8.1.4 counterfeit parts prevention, to mitigate risks in high-consequence environments.

Who is legally or professionally required to comply with **AS9100**?

**AS9100 applies professionally to organizations designing, developing, manufacturing, or servicing aviation, space, and defense products.** Major OEMs and primes require certification as a supplier condition; it covers manufacturers, material suppliers, design centers, and MRO organizations (AS9110 variant), with 96% of certified firms under 500 employees per AAQG data. Scope excludes distributors (AS9120).

Oes **AS9100** require an external audit or third-party certification?

**Yes, AS9100 mandates third-party certification through accredited bodies via IAQG oversight.** Process includes Stage 1 (readiness/documentation review) and Stage 2 (implementation/effectiveness audit), with entry into OASIS database for visibility. Nonconformities require corrective action within 60–90 days.

How often should an assessment for **AS9100** be performed?

**AS9100 requires annual surveillance audits and recertification every three years post-initial certification.** Internal audits occur per a planned program (Clause 9.2), focusing on high-risk processes like Clause 8 operations; management reviews are periodic with defined inputs/outputs.

What are the consequences of non-compliance with **AS9100**?

**Non-compliance with AS9100 risks certification suspension, loss of supplier approval, and contract termination by OEMs.** It leads to major nonconformities in audits, requiring root cause analysis (including human factors), corrective actions, and potential market exclusion via OASIS delisting.

An **AS9100** be mapped to other international frameworks?

**Yes, AS9100D aligns structurally with ISO 9001:2015's Annex SL 10-clause format for integrated management systems.** Clause-for-clause mapping supports compatibility, with shared elements in risk-based thinking (Clauses 6/8), leadership (Clause 5), and performance evaluation (Clause 9).

What is the first step to begin implementing **AS9100**?

**The first step is conducting a gap analysis against AS9100D clauses to identify compliance gaps and define QMS scope (Clause 4.3).** Assemble a cross-functional team, map processes, justify non-applicabilities, and produce a prioritized remediation plan, typically taking 3–8 weeks.

ISO 14064 vs AS9100

Standards Comparison

ISO 14064

Voluntary

2018

International standards for GHG quantification, reporting, verification

AS9100

Mandatory

2016

International standard for aerospace quality management systems.

Quick Verdict

ISO 14064 provides GHG quantification, reporting, and verification for all organizations seeking climate credibility, while AS9100 delivers aerospace-specific quality management for aviation/space/defense firms ensuring product safety and supply chain integrity. Companies adopt them for stakeholder trust and market access.

Greenhouse Gas Accounting

ISO 14064

ISO 14064 GHG quantification and reporting standards

Cost

€€€

Complexity

High

Implementation Time

6-12 months

Key Features

Three-part modular framework for GHG inventories, projects, assurance
Five core principles: relevance, completeness, consistency, transparency, accuracy
Organizational boundaries via equity share or control approaches
Risk-based validation/verification with materiality assessment
Supports Scope 1-3 emissions and removals quantification

Quality Management

AS9100

AS9100D: Quality Management Systems for Aviation, Space, Defense

Cost

€€€€

Complexity

High

Implementation Time

12-18 months

Key Features

Configuration management for product integrity
Product safety processes across lifecycle
Counterfeit parts prevention controls
Operational risk management in Clause 8
Enhanced supplier evaluation and monitoring

Detailed Analysis

A comprehensive look at the specific requirements, scope, and impact of each standard.

ISO 14064 Details

What It Is

ISO 14064 (Parts 1:2018, 2:2019, 3:2019) is an international standard family specifying requirements for GHG quantification, reporting, and assurance. It provides a modular, principle-based framework for organizational inventories, project reductions, and independent verification, emphasizing credible, comparable data.

Key Components

**Part 1Organizational GHG inventories with boundaries, Scopes 1-3, data quality.
**Part 2Project baselines, additionality, monitoring for net benefits.
**Part 3Risk-based validation/verification, competence, assurance levels.
Core: Five principles (relevance, completeness, consistency, transparency, accuracy); aligns with GHG Protocol; voluntary third-party assurance.

Why Organizations Use It

Drives regulatory readiness (CSRD, SB-253), investor trust, carbon market access. Mitigates greenwashing risks, identifies abatement opportunities, enhances supply-chain credibility and decarbonization strategies.

Implementation Overview

Phased: governance, boundaries, data systems, reporting, verification. Suits all sizes/industries globally; 6-12 months typical; focuses on audit trails, Scope 3 prioritization.

AS9100 Details

What It Is

AS9100D (AS9100:2016) is the international quality management system (QMS) standard for aviation, space, and defense organizations. It builds on ISO 9001:2015 with over 100 aerospace-specific requirements, using a process-based, risk-based thinking approach across 10 clauses to ensure product safety and supply chain integrity.

Key Components

Core clauses: Context, Leadership, Planning, Support, Operation, Performance Evaluation, Improvement.
Aerospace additions: Configuration management (8.1.2), product safety (8.1.3), counterfeit parts prevention (8.1.4), operational risk management.
Built on Annex SL structure; requires certification via accredited third-party audits.

Why Organizations Use It

Mandated by OEMs for market access and supplier qualification.
Reduces defects, improves delivery, enhances traceability and risk mitigation.
Builds stakeholder trust via OASIS database visibility; drives cost savings and competitiveness.

Implementation Overview

Phased approach: gap analysis, process design, training, internal audits, Stage 1/2 certification.
Applies to manufacturers, designers, MROs globally; 6-18 months typical, with annual surveillance.

Key Differences

Aspect	ISO 14064	AS9100
Scope	GHG emissions quantification, reporting, verification	Aerospace quality management system
Industry	All organizations worldwide	Aviation, space, defense sectors
Nature	Voluntary GHG standard family	Voluntary certification standard
Testing	Third-party validation/verification optional	Accredited certification audits required
Penalties	Loss of credibility, no legal penalties	Loss of certification, market exclusion

Scope

ISO 14064

GHG emissions quantification, reporting, verification

AS9100

Aerospace quality management system

Industry

ISO 14064

All organizations worldwide

AS9100

Aviation, space, defense sectors

Nature

ISO 14064

Voluntary GHG standard family

AS9100

Voluntary certification standard

Testing

ISO 14064

Third-party validation/verification optional

AS9100

Accredited certification audits required

Penalties

ISO 14064

Loss of credibility, no legal penalties

AS9100

Loss of certification, market exclusion

Frequently Asked Questions

Common questions about ISO 14064 and AS9100

ISO 14064 FAQ

AS9100 FAQ

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ISO 14064

AS9100

Quick Verdict

ISO 14064

Key Features

AS9100

Key Features

Detailed Analysis

ISO 14064 Details

What It Is

Key Components

Why Organizations Use It

Implementation Overview

AS9100 Details

What It Is

Key Components

Why Organizations Use It

Implementation Overview

Key Differences

Scope

Industry

Nature

Testing

Penalties

Frequently Asked Questions

ISO 14064 FAQ

What is the primary objective of ISO 14064?

Who is legally or professionally required to comply with ISO 14064?

Does ISO 14064 require an external audit or third-party certification?

How often should an assessment for ISO 14064 be performed?

What are the consequences of non-compliance with ISO 14064?

An ISO 14064 be mapped to other international frameworks?

What is the first step to begin implementing ISO 14064?

AS9100 FAQ

What is the primary objective of AS9100?

Who is legally or professionally required to comply with AS9100?

Oes AS9100 require an external audit or third-party certification?

How often should an assessment for AS9100 be performed?

What are the consequences of non-compliance with AS9100?

An AS9100 be mapped to other international frameworks?

What is the first step to begin implementing AS9100?

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5 Ways Modern Compliance Software Makes Evolving Regulations Your Strategic Advantage

Beyond the Boardroom: 5 Ways Modern Compliance Software Elevates Every Department

The Human-AI Synergy: How Modern Compliance Tools Amplify Your Team's Strategic Impact

Run Maturity Assessments with GRADUM

Check out these other Gradum.io Standards Comparison Pages

ISO 27032 vs IATF 16949

FDA 21 CFR Part 11 vs J-SOX

ISO 50001 vs MAS TRM