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Checklist6 min readPublished

Internal audit checklist for CA firms taking on the mandate

Scoping an internal audit engagement for the first time: building a risk-based annual plan, deciding coverage across the year versus a single visit, the areas a plan typically has to include, and the reporting cadence an audit committee expects.

An internal audit checklist for a new mandate has four parts: a risk assessment that ranks the entity's processes by likelihood and impact of failure, an annual plan that allocates audit days across those processes in proportion to risk rather than equally, a defined reporting cadence to management and the audit committee, and a follow-up mechanism that tracks whether prior findings were actually closed. Skipping the risk ranking and going straight to a rotation schedule is the most common way a new mandate underperforms.

Start with the risk assessment, not the audit calendar

A firm taking on its first internal audit mandate for a client is often handed, or defaults to, a rotation: finance this quarter, procurement the next, inventory the one after. That is a schedule, not a risk-based plan. A genuine risk-based plan starts by ranking the entity's processes and locations by two independent factors — how likely something is to go wrong, and how much it would matter if it did — and then allocates audit days unevenly across that ranking.

  • Inherent risk factors: transaction volume, degree of judgement involved, history of error or fraud, regulatory exposure, and the extent of manual intervention in an otherwise systemic process.
  • Entity-specific factors: locations added or closed during the year, a new ERP implementation, key personnel turnover in finance, and any area flagged by the statutory auditor in the prior year.
  • Impact factors: materiality to the financial statements, cash exposure, and reputational or regulatory consequence of failure, which does not always track the rupee value of the process.

Common practice, not a requirement

Re-rank the risk assessment at least once a year, and revisit it mid-year if something material changes — a new business line, a large fraud discovered elsewhere in the group, a system migration. A plan fixed at the start of the year and never revisited stops being risk-based the moment the risk profile moves.

Coverage: a year-round plan versus a single visit

The choice between continuous coverage and periodic visits is itself a risk decision, not an administrative one.

Choosing the coverage model
ModelWorks well whenRisk if used regardless
Continuous / rolling coverage across the yearHigh transaction volumes, a listed or soon-to-list entity, prior findings of control breakdown, or a mandate that includes real-time fraud monitoringOver-engineering a small, stable entity: cost outweighs benefit and the internal audit function becomes a compliance tax rather than a value add
Periodic cycle covering each area once or twice a yearA smaller entity with a stable process set and no recent history of control failureA process that breaks down mid-cycle is not caught until the next scheduled visit, sometimes many months later
One-time or special-purpose reviewA specific trigger — a fraud tip, a system migration, an M&A integration, a regulator's queryTreated as the whole mandate when the entity actually needs ongoing coverage; a one-off review gives false comfort that the function is covered
Choosing the coverage model

Areas a plan typically has to include

The specific scope always has to be tailored to the entity, but a plan missing several of these without a documented reason for the exclusion should be questioned.

  • Procure-to-pay: vendor master integrity, segregation between requisition, approval and payment, and three-way matching.
  • Order-to-cash: credit approval, dispatch versus billing, and collections ageing.
  • Inventory: physical verification coverage, slow-moving and obsolete stock identification, and valuation basis consistency.
  • Fixed assets: capitalisation policy adherence, physical verification, and disposal authorisation.
  • Payroll and HR: master data changes, overtime and incentive calculation, and exit settlement processing.
  • Treasury and banking: bank reconciliation review, signatory authority, and fund movement approvals.
  • IT general controls: access provisioning and de-provisioning, change management, and backup testing — increasingly load-bearing because weaknesses here undermine every automated control downstream.
  • Compliance: statutory dues, related-party transaction approval, and board and committee process adherence.
  • Fraud risk and whistleblower mechanism: whether complaints received were actually investigated, not just logged.

Reporting cadence to the audit committee

A new mandate should fix the reporting rhythm before the first fieldwork begins, not after the first report is due. Most audit committees expect a standing pattern rather than ad hoc reports that arrive whenever a review happens to finish.

  1. 01Agree the plan with the audit committee before starting fieldworkThe risk-based plan, the coverage model, and the resourcing should be presented and approved, not just circulated. This is also the point to agree what counts as a significant finding worth escalating outside the normal cycle.
  2. 02Report each completed review with a consistent structureScope and period covered, findings graded by severity, management's response and committed action date, and a clear statement of what was not covered and why.
  3. 03Track open findings at every subsequent meeting, not just at year endA findings tracker that shows date raised, target closure date, actual closure date, and ageing of anything still open is usually the single most useful document in the pack, because it is where a committee sees whether management actually acts on what internal audit reports.
  4. 04Escalate outside the cycle when something warrants itA fraud indicator or a control breakdown with cash exposure should reach the audit committee chair directly, not wait for the next quarterly pack.
  5. 05Close the year with a coverage summary against the approved planState what was planned, what was actually covered, what was deferred, and why — so the committee can see the plan was followed or can see and approve the deviation.

A findings tracker that only shows findings raised, with no closure column maintained, gives an audit committee a false sense that internal audit is adding value. The value is in the closure rate and the ageing of open items, not in the count of issues identified.

How we think about this

Building the risk ranking, maintaining the findings tracker, and producing the coverage-versus-plan summary are the parts of an internal audit mandate that are mechanical once the underlying data exists — pulling transaction volumes, ageing open items, comparing planned days to actual days spent. None of that should consume senior time. What should is deciding which process actually deserves more days this year than last, and forming the view on a finding that management disputes.

This is practical guidance written for audit teams, not an authoritative statement of any standard or statute. Standards, forms and timelines change. Check the current text issued by the ICAI and the relevant authority before relying on anything here in an audit file.

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