Knowella

Internal Auditor Training

Internal auditor training turns people who know a process into people who can examine it against a criterion and write down what they found. Its recurring failure is that the course teaches the clause structure of a standard and skips the two things that decide audit quality: whether the auditor is independent of what they audit, and whether they can tell evidence from an impression. The programme then reports conformance until somebody external looks.

KnowTrainTrainingTRN-05455 fields across 7 sectionsFull researchSee the form

Reviewed by Siddarth SinghCSPLast reviewed 16 August 2026

Basis
ISO 19011
Workspace
KnowTrain
Form type
Training
Delivered to
Anyone who will audit internally
Pass gate
Knowledge check plus a witnessed audit

The short version

  • ISO 19011 is method, not a certifiable standard. Nobody is certified to it, and every certification body uses it as the yardstick for judging whether an internal audit programme is real.
  • Independence is structural. An auditor cannot audit their own work, and on a small site that is solved by cross-assignment, a swap with a sister site or an external pair of hands, never by an undertaking to be objective.
  • A finding has three parts: the criterion, the objective evidence, and the statement of what does not conform. Most internal findings have one part, an opinion, which is why they are argued with rather than fixed.
  • The classroom half is the cheap half. ISO 19011 cl.7.4 lists observation and a witnessed audit among the ways auditor competence is evaluated, and this form grades assessment on a real audit above a simulated exercise deliberately.
  • An internal programme that reports near-total conformance is reporting on its auditors, not its processes. Findings are the output; their absence over successive cycles means the audits are looking at documents rather than at work.
  • Auditors state findings; process owners own causes and corrective actions. Letting the auditor write the fix destroys the independence of next year's audit and turns the finding into a negotiation.

What this is

What is internal auditor training?

What is internal auditor training?

Training that equips someone to plan an audit, gather and verify evidence, evaluate it against stated criteria, write findings and report them. ISO 19011 is the reference: clause 4 sets the principles an auditor works to, clause 6 sets the process, and clause 7 defines auditor competence and how it is evaluated. The subject matter of the audit is separate knowledge the auditor brings or is paired with.

Who delivers internal auditor training?

An accredited training provider or an experienced auditor, and the distinction matters less than whether the deliverer has audited recently. Method taught by someone who has not sat in a closing meeting for five years reproduces the parts of auditing that are easy to teach and omits the parts that are hard to do: challenging a plausible answer, sampling under time pressure, and writing a finding that survives being disputed.

How is this different from a lead auditor qualification?

A lead auditor course is a scheme qualification, examined and certificated by a body against a recognised syllabus, and is what a third-party auditor holds. This record is the employer's own training and assessment of an internal auditor, evidencing competence for the internal programme only. It confers no external status, and a site presenting an internal certificate as a lead auditor qualification has overstated it in a way certification bodies notice immediately.

Scope

When is an internal auditor training required?

This record trains and assesses the person who will audit, not the audit and not the programme. Its most common misuse is being treated as the whole of auditor competence, when ISO 19011 treats the initial course as one input among several.

Use this template when

  • New internal auditors are being brought into the audit programme and have never planned or reported an audit
  • A technical specialist is joining the audit team and needs the method rather than the subject matter
  • The programme's own review has found findings closed on correction, or audits returning nothing, and the auditors need retraining
  • A new standard or customer scheme has been adopted and the team must audit against unfamiliar criteria
  • An external or certification audit raised nonconformities the internal programme should have found first

Do not use it for

  • Holding each auditor's ongoing competence, evaluation and audit history, which is the Auditor Competency Record (CMP-006)
  • Deciding what gets audited, how often and on what risk basis, which is the Internal Audit Programme (CMP-001)
  • Teaching cause analysis to the depth a corrective action needs, which is Root Cause Analysis Training (TRN-055)
  • Training people to investigate incidents, which is Incident Investigation Training (TRN-042) and runs on a different logic from auditing
  • Supplying the technical knowledge an audit subject demands, such as HACCP Training (TRN-052) before auditing a food safety plan

Compliance mapping

Which ISO 19011 requirements does this satisfy?

The management system standards say very little about how to audit and a great deal about who may. They require competent auditors and an impartial process, then point at ISO 19011 for the method, which is why the guidance standard has the practical force of a requirement.

ClauseRequirementWhere it lands
ISO 45001 cl.7.2Competence ensured through training delivered by someone able to deliver it, with the effectiveness of that training evaluated and evidence retainedHeader
ISO 19011 cl.4Auditing principles: integrity, fair presentation, due professional care, confidentiality, independence and an evidence-based approachTheory content
ISO 19011 cl.7.2.3Auditor knowledge and skills covering audit principles, procedures and methods, management system standards and the applicable requirementsTheory content
ISO 19011 cl.7.4Auditor competence evaluated by defined methods including examination, observation of performance and a witnessed auditKnowledge check
ISO 19011 cl.6.4.7Information collected by appropriate sampling and verified before it is used as audit evidencePractical audit
ISO 19011 cl.6.4.8Audit findings generated by evaluating evidence against the audit criteria, with conformity and nonconformity stated and supportedPractical audit
ISO 19011 cl.6.4Evidence indicating an immediate and significant risk reported without delay rather than held for the reportTheory content
ISO 45001 cl.9.2.2Competent auditors selected and the objectivity and impartiality of the audit process ensuredOutcome

What it does not cover

  • Auditor Competency Record (CMP-006), which holds each auditor's evaluated competence over time; ISO 19011 cl.7.6 treats initial training as a starting point, not the evidence.
  • Internal Audit Programme (CMP-001), which sets scope, frequency and priority on a risk basis; trained auditors are an input to it and do not constitute it.
  • Root Cause Analysis Training (TRN-055), which is what an auditor needs to judge whether a proposed cause explains the finding rather than restating it.
  • Technical or subject-matter competence, which is separate from audit method; auditing a HACCP plan or an electrical system requires knowing the subject or being paired with someone who does.
  • Third-party auditor qualification, which is awarded by a certification or personnel body against a scheme and is judged under ISO/IEC 17021-1; an internal course confers no external standing.

Global

Internal Auditor Training requirements by country

Internal audit is a management system and contractual duty rather than a statutory one in most places. The consequence is that the pressure comes from certification bodies and customers, and the legal exposure comes from what a weak internal audit report says afterwards about what the organisation knew.

United States

No general OSHA duty to audit; customer and GFSI scheme requirements; 21 CFR 117 verification activities for food

Internal audit is driven by schemes and contracts, with no regulatory auditor competence rule to point at.

Audit reports are discoverable. An internal audit that recorded a hazard and closed it on a correction is stronger evidence against an employer than no audit at all, so auditor quality is a liability question as much as a compliance one.

United Kingdom

Health and Safety at Work etc. Act 1974 s.2; HSE guidance HSG65, the Check element

Duty to monitor and review arrangements, with active monitoring and audit expected but not prescribed in form.

HSE will ask what the organisation's own monitoring found and what it did about it. An audit programme returning nothing is read as an absence of monitoring rather than an absence of problems.

European Union

Framework Directive 89/391/EEC Art.6; Regulation (EC) 852/2004 for food business verification

Employer must evaluate and adapt preventive measures; food businesses must verify their own HACCP-based procedures.

Verification is an obligation with an owner, so who did the checking and whether they were independent of it becomes an inspection question in food and in general OSH alike.

Canada

Provincial OHS regulations and the internal responsibility system; CSA Z45001

Joint health and safety committee inspections are statutory; management system audit sits alongside them under Z45001.

Committee inspections and internal audits are different instruments with different independence rules, and trained auditors do not discharge the committee's statutory inspection duty.

Australia

Model WHS Act s.19; AS/NZS ISO 19011 as adopted

Primary duty of care requires monitoring of conditions and of the effectiveness of controls, so far as reasonably practicable.

Regulators treat the internal audit trail as evidence of what was reasonably practicable to know, which raises the cost of an audit that looked and did not see.

International

ISO 19011:2018 clauses 4, 6 and 7; ISO 45001 and ISO 9001 cl.9.2

Competent, impartial auditors and a defined audit process, with competence criteria set and evaluated.

Certification auditors sample internal audit reports and ask who audited what. Auditors assigned to their own areas, or findings without criteria and evidence, are among the most common internal audit nonconformities raised.

How to complete it

How to complete an internal auditor training, step by step

A pass on this record is easy to produce and easy to see through. What separates a trained auditor from a certificate holder is decided by four choices made when the course is designed, not when the form is completed.

Make the practical a real audit in someone else's area

The form grades the practical on whether the assessment happened on real work, and scores a simulated exercise below it for good reason: a classroom scenario has a right answer and a real process has an auditee who is busy, defensive and more knowledgeable than the trainee. Assign the witnessed audit to an area the trainee does not work in, let them plan it, and let them handle the awkward answer with the assessor watching.

Grade the wording of the finding, not the fact of it

Spotting that something is wrong is the easy part; stating it so it cannot be argued away is the skill. Criterion, evidence, statement. Three of five hygiene records sampled for week 12 had no verification signature, against a procedure requiring supervisor verification each shift. Compare that with housekeeping in the wash bay could be improved, which names no requirement, cites nothing, and will be closed with a tidy-up. Mark the sentence.

Teach sampling and the limits of what a sample supports

New auditors either sample one record and generalise, or try to see everything and run out of time. Both produce reports nobody trusts. Teach how sample size and selection are chosen, how to follow a thread rather than tick a list, and how to write a finding that says what was sampled so the reader can weigh it. ISO 19011 cl.6.4.7 requires evidence to be verified, and an unverified single observation is not yet evidence.

Decide the failure route before you run the course

A pass with development points is honest only if it produces something: a second witnessed audit, or authorisation to audit with a lead auditor present until the point is closed. The form carries the retraining flag and the authorisation decision separately so that a fail does not quietly become a pass, and so an auditor released with a restriction has it recorded where the programme can see it when assignments are made.

What auditors find

Most common internal auditor training findings

The findings raised against auditor training are almost never about the course. They are about what the audit programme produced afterwards, which is the only evidence that the training worked.

FindingClauseWhat fixes it
Auditors assigned to audit their own department or their own procedures.ISO 45001 cl.9.2.2Cross-assign on the schedule and record the independence basis for each audit; objectivity is an assignment property.
Findings recorded as opinions with no criterion cited and no evidence sampled.ISO 19011 cl.6.4.8Require criterion, evidence and statement in every finding, and grade the wording during the witnessed audit.
Training was classroom only; competence never evaluated by observing an audit.ISO 19011 cl.7.4Add a witnessed audit as the pass gate and record the assessor and the result against the trainee.
Internal audits report near-total conformance while external audits raise majors.ISO 19011 cl.6.4.7Retrain on sampling and evidence, audit practice rather than document existence, and review the programme's yield.
Auditor wrote the corrective action and root cause for the finding they raised.ISO 19011 cl.4Split the roles: auditor states the nonconformity, process owner determines cause and action.
Auditor competence criteria never defined, so the training content matches nothing.ISO 19011 cl.7.3Define the knowledge, skills and experience required for each audit type, then train and evaluate against it.
Trainer or assessor had no recent audit experience of their own.ISO 45001 cl.7.2Use a currently practising auditor or accredited provider, and record the trainer qualification on the header.
Auditor found an immediate product or safety risk and held it for the report.ISO 19011 cl.6.4Train and test the hold, quarantine and escalation route so significant risk is raised the moment it is seen.
Knowledge check passed but the pass mark was never stated or was set after the results.ISO 19011 cl.7.4Set the pass mark before delivery, record score against it, and let a fail drive retraining rather than a note.
Trained auditors have not audited for over a year and competence was never revalidated.ISO 19011 cl.7.6Set a validity date and a minimum audit frequency per auditor; competence decays through disuse faster than through age.

Case in point

Case in point: ninety-eight percent conforming, then fourteen nonconformities

A mid-sized manufacturer ran a complete internal audit schedule for three years. Every process was covered annually, every report was on file, and the audit summary to management review reported conformance above ninety-five percent throughout, with the few findings raised concerning labelling of storage areas and a fire door propped open. Management review noted the system as effective and moved on.

The certification body's recertification audit raised fourteen nonconformities including two majors: calibration records with no traceability for a critical instrument, and a change to a process that had never been through management of change. Both had been in place for over two years, in areas the internal programme had audited twice. The audit reports for those areas existed, listed the procedures as present and the records as available, and raised nothing.

The pattern was visible once anyone looked at who audited what. The production manager audited production. The quality manager audited the quality system, including the calibration procedure she owned. Every finding in three years came from a corridor, a store or a shared area that belonged to nobody. The auditor training behind it had been a two-hour briefing on the clause structure of the standard and a multiple-choice quiz, with no witnessed audit and nothing on evidence. The rebuilt course was two days on principles, evidence and finding-writing, with a witnessed audit in an unfamiliar area as the pass gate. The next internal cycle raised thirty-one findings, which management review correctly read as the programme starting to work.

The template

The template, field by field

The form exactly as it installs. Every field, option, score and conditional rule is editable, and the links to other templates come with it.

55fields
7 sections
Reference
TRN-054
Archetype
Training
Record ID
TRN-2026-000
Scoring
Percent with pass mark
Direction
High is good
Singleton
No
Basis
ISO 19011
Links
Links Worker
Tags
Training, Audit
Sections
7
Fields
55
Follow up fields
5
Repeating sections
0
Links out
7
Field typesOwn ID, generated on saveCase thread and parentPick list from a registryLinked to another templateFollow up, dashed outlineScored

Header

16 fields
Text

Training ID*

Generated on save

Auto sequence. Format TRN-2026-00000.

The record's own ID. Other templates point at this value.

Single Choice

Status*

Scored

Drives who this goes to next.

  • Planned2 pts
  • In progress2 pts
  • Complete3 pts
  • Deferred0 pts
  • Open0 pts
  • Closed3 pts
  • Overdue0 pts
Date & Time

Date and Time*

Users

Delivered By*

Pick List

Site*

From FDN-001 Site NameFilter: Status is Active
Text

Site ID*

Linked

Format SITE-000.

Links to FDN-001 Site ID

Pick List

Course

OptionalFrom FDN-007 Course NameFilter: Status is Active
Text

Course ID

OptionalLinked

Format CRS-000.

Links to FDN-007 Course ID

Single Choice

Delivery Method*

ClassroomOn the jobToolboxOnlineBlendedPractical demonstration
Numeric Answer

Duration Minutes*

Single Choice

Trainer Qualified*

Scored
  • Yes3 pts
  • Subject expert, not trainer trained1 pt
  • No0 pts
Pick List

Worker*

From FDN-003 Worker NameFilter: Site matches, Status is Active
Text

Person ID*

Linked

Format PER-0000.

Links to FDN-003 Person ID

Single Choice

Audit Scheme*

BRCGSSQFFSSC 22000ISO 9001ISO 45001Internal standard
Single Choice

External Course Attended*

Scored
  • Yes3 pts
  • Partly1 pt
  • No0 pts
Pick List

Provider

OptionalFrom FDN-005 Vendor Name

Theory content

4 fields
Info

Audit Is Not Inspection

An audit tests whether the system works, not whether today looks tidy. Video contrasting the two approaches.

Info

Evidence, Not Opinion

What counts as evidence, how much to sample, and how to write a finding somebody can act on.

Info

Asking Open Questions

Demonstration of a closed question producing a yes, and an open one producing the truth.

Info

Grading Findings

How to distinguish a critical, major and minor finding consistently across auditors.

Knowledge check

7 fields
Single Choice

What is the difference between an audit and an inspection*

Scored
  • Correct3 pts
  • Partly correct1 pt
  • Incorrect0 pts
Single Choice

What makes a finding actionable*

Scored
  • Correct3 pts
  • Partly correct1 pt
  • Incorrect0 pts
Single Choice

How would you sample records for a traceability check*

Scored
  • Correct3 pts
  • Partly correct1 pt
  • Incorrect0 pts
Single Choice

What separates a major finding from a minor one*

Scored
  • Correct3 pts
  • Partly correct1 pt
  • Incorrect0 pts
Numeric Answer

Score Percent*

Scored
Numeric Answer

Pass Mark Percent*

Single Choice

Passed*

Scored
  • Yes3 pts
  • No0 pts

Independence and conduct

3 fields
Single Choice

Independence Requirement Explained*

Scored

Nobody audits their own work. This is a scheme requirement and a common finding.

  • Yes3 pts
  • No0 pts
Single Choice

Confidentiality Explained*

Scored
  • Yes3 pts
  • No0 pts
Single Choice

Behaviour And Tone Covered*

Scored
  • Yes3 pts
  • No0 pts

Practical audit

6 fields
Single Choice

Shadowed A Full Audit*

Scored
  • Yes3 pts
  • Partly1 pt
  • No0 pts
Single Choice

Led An Audit Under Supervision*

Scored
  • Yes3 pts
  • No0 pts
Text

Audit ID

OptionalLinked

Links to CMP-005 Audit ID

Single Choice

Findings Well Evidenced*

Scored
  • Yes3 pts
  • Partly1 pt
  • No0 pts
Single Choice

Grading Consistent With Lead Auditor*

Scored
  • Yes3 pts
  • Mostly2 pts
  • No0 pts
Single Choice

Report Quality*

Scored
  • Clear and evidenced3 pts
  • Adequate2 pts
  • Poor0 pts

Scope authorised

2 fields
Multi Choice

Areas Authorised To Audit*

HACCPPrerequisitesAllergenTraceabilitySite standardsSafety managementContractor management
Single Choice

Authorised To Lead*

Scored
  • Yes3 pts
  • Not yet1 pt

Outcome

17 fields
Single Choice

Overall Result*

Scored
  • Pass3 pts
  • Pass with note2 pts
  • Fail0 pts
Single Choice

Retraining Required*

Scored
  • No3 pts
  • Yes1 pt
Text

Retraining Detail

OptionalShows if Retraining Required equals Yes
Single Choice

Authorisation Issued*

Scored
  • Yes3 pts
  • Not applicable3 pts
  • No0 pts
Text

Authorisation ID

OptionalLinkedShows if Authorisation Issued equals Yes

Links to TRN-024 Authorisation ID

Text

Restrictions Applied

Optional
Single Choice

Matrix Updated*

Scored
  • Yes3 pts
  • No0 pts
Single Choice

Certificate Issued

OptionalScored
  • Yes3 pts
  • Not applicable3 pts
  • No0 pts
Date & Time

Valid Until*

Single Choice

Action Required*

Scored

Raise the action record, then enter its reference here.

  • No2 pts
  • Yes0 pts
Single Choice

Priority

OptionalScoredShows if Action Required equals Yes
  • High0 pts
  • Medium1 pt
  • Low3 pts
Text

CAPA ID

OptionalLinkedShows if Action Required equals Yes

Format CAPA-2026-00000.

Links to FDN-014 CAPA ID

Users

Action Owner

OptionalShows if Action Required equals Yes
Users

Trainer*

Signature

Signature*

Users

Worker*

Signature

Second Signature*

TRN-054 · record IDs look like TRN-2026-000 · Links Worker

Open in Knowella

Run it with agents

From a document you fill in to a programme that runs itself

The course is two days. What fails is the programme around it: the assignment that put an auditor back in their own department, the auditor who has not audited since, and the finding closed on a tidy-up.

KnowTrain

Holds each auditor's training, witnessed audit result and validity date, and surfaces auditors whose competence is due for revalidation before the programme assigns them.

KnowComply

Runs the audit schedule against the trained auditor pool, blocks an assignment that would put an auditor in their own area, and tracks findings per audit as a programme metric.

KnowQuality

Takes each finding into the nonconformance and corrective action route with the process owner, so cause and action sit with the owner rather than the auditor.

Ella
Ella

Watches audit yield, overdue findings and auditors who have not audited in months, and raises the retraining or reassignment instead of waiting for the programme review.

This template lives in KnowTrain — training and credentials. Induction, competency, toolbox talks, refreshers and expiry tracking.

Meet KnowTrain→

Glossary

Internal Auditor Training definitions and key terms

Audit criteria
The set of requirements used as the reference against which evidence is compared: policies, procedures, standard clauses, legal duties, customer specifications.
Audit evidence
Records, statements of fact and other verifiable information relevant to the criteria; an impression that cannot be verified is not evidence.
Finding
The result of evaluating evidence against the criteria, expressed as conformity or nonconformity, and stated with the criterion and the evidence attached.
Nonconformity grading
The split between major and minor, where a major typically indicates a systemic failure or absence of a required control and a minor a lapse within a working system.
Impartiality
The absence of a stake in the outcome, achieved by not auditing your own work; a property of the assignment rather than of the auditor's intentions.
Sampling
The selection of a subset of records or activities to examine, chosen so that the finding drawn from it is defensible and stated with what was sampled.
Witnessed audit
An audit conducted by the trainee while an assessor observes and grades performance; ISO 19011 lists it among the methods for evaluating auditor competence.
Audit trail
The thread followed from a single record outwards through the process that produced it, which is how auditing practice differs from checking documents.

FAQ

Frequently asked questions about internal auditor training

Can someone audit their own area if they are honest about it?+

No, and honesty is not what is at issue. You cannot see a process you designed or run as an auditor sees it, and both ISO 45001 and ISO 9001 require the impartiality of the audit process rather than of the individual. On a site too small to cross-assign, swap auditors with another site, pair an auditor from elsewhere with a local subject expert, or buy in a day of external auditing. Auditing your own system is not a compromise, it is an absence of audit.

Do our internal auditors need an accredited lead auditor course?+

Not usually. A recognised course is worth having for whoever leads the programme, because it gives them a defensible reference for the competence criteria they then set for everybody else. For the rest of the team, an internal course with a witnessed audit as the pass gate produces better auditors than a scheme certificate with no practical, and the certification body looks at the audits before the certificates.

What pass mark should the knowledge check carry?+

Set one, state it before delivery, and treat it as the lesser of two gates. Around eighty percent is conventional for the written check, and it tests whether someone knows what evidence is and how a finding is structured. The witnessed audit is what actually decides competence, because it is the only part that exposes whether the auditor can hold a position when the auditee disagrees.

How long should the course be?+

Two days of method for internal auditors, plus a witnessed audit that is scheduled rather than promised. Anything under a day covers the clause structure of a standard and calls it auditor training, which is the version that produces the ninety-eight percent conforming report. Spend the time on evidence, sampling and finding-writing; the clause structure can be read.

Does auditor competence expire?+

It decays through disuse rather than through elapsed time. An auditor who has run four audits this year is more competent than one trained six months ago who has run none. Set a validity date on the record, and set a minimum number of audits per auditor per year in the programme; when someone falls below it, revalidate with a witnessed audit rather than another course.

Should the auditor decide the corrective action?+

No. The auditor states the nonconformity against the criterion; the process owner determines the cause and the action. Handing both to the auditor is convenient, and it means next year the same person audits the fix they designed, which returns the programme to the impartiality problem the training was meant to solve. Auditors may test whether a proposed action addresses the finding, which is a different act from writing it.

Keep going

Related templates and programmes

Siddarth Singh

Written and reviewed by

Siddarth Singh

Founder & Chief Executive Officer, Knowella

Certified Safety Professional and industrial and systems engineer with more than a decade inside food supply chain, freight and manufacturing operations. This page was written against the current text of the standards it cites, not against secondary summaries of them.

  • Certified Safety Professional (CSP), Board of Certified Safety Professionals
  • MBA, University of Chicago Booth School of Business
  • MS and BS, The Ohio State University, Industrial and Systems Engineering
  • Six Sigma Black Belt
Verify with BCSP →

Sources and last review. Reviewed 16 August 2026 against:

  • ISO 19011:2018 clauses 4, 6.4 and 7, guidelines for auditing management systems
  • ISO 45001:2018 clauses 7.2 and 9.2, internal audit and auditor competence
  • ISO 9001:2015 clause 9.2, internal audit and impartiality of the audit process
  • ISO/IEC 17021-1, requirements for bodies providing audit and certification of management systems
  • HSE guidance HSG65, Managing for health and safety, the Check element (GB)
  • Framework Directive 89/391/EEC, Article 6, evaluation and adaptation of preventive measures (EU)
  • CSA Z45001, Occupational health and safety management systems (Canada)

This page is general guidance, not legal advice. Confirm requirements with your jurisdiction’s regulator.

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