1️⃣ SALES & RECEIVABLES CYCLE

🎯 Control Objectives

  • All sales recorded (Completeness)

  • Only genuine sales recorded (Occurrence)

  • Correct pricing & discounts (Accuracy)

  • Credit risk controlled (Valuation)

  • Proper cut-off


✅ STRONG CONTROLS Seen Across Cases

  • Credit checks before granting credit

  • Credit limits authorised by senior staff

  • Six-month credit limit reviews

  • Approved price list used for invoicing

  • Discounts authorised by sales director

  • Sequentially numbered invoices

  • Matching dispatch note → invoice

  • Monthly receivables reconciliations

  • Statements sent to customers

  • Daily till reconciliation (retail)

  • Credit card receipts matched to remittance


❌ COMMON DEFICIENCIES Across Cases

  1. No independent review of credit limits

  2. Credit limit approval via informal email

  3. Discounts not independently authorised

  4. Employees serving friends/family

  5. No unique till login codes

  6. No review of aged receivables

  7. No reconciliation of receivables ledger to GL

  8. Sales cut-off not checked at year-end

  9. Only totals reviewed instead of details

  10. Conditional review (“only if significant”)


2️⃣ PURCHASES & PAYABLES CYCLE

🎯 Control Objectives

  • Purchases authorised

  • Goods received recorded

  • Valid suppliers paid

  • Payments accurate

  • No duplicate payments


✅ STRONG CONTROLS

  • Purchase orders authorised

  • GRN matched to invoice (3-way match)

  • Segregation: ordering vs recording vs paying

  • Payment by bank transfer

  • Invoices stamped “paid”

  • Supplier statement reconciliation


❌ COMMON DEFICIENCIES

  1. Finance director approves only total payment

  2. No review of detailed payment listing

  3. Same person authorises & records payment

  4. Long payment delays (cash management risk)

  5. Petty cash shortages not investigated

  6. Junior staff handling cash banking

  7. No independent supplier statement reconciliation

  8. No authorisation of new suppliers

  9. GRNs not sequentially controlled

  10. No review of small reconciling items


3️⃣ PAYROLL CYCLE

🎯 Control Objectives

  • Only genuine employees paid

  • Accurate wage rates

  • Overtime authorised

  • Proper deductions made

  • Payroll correctly recorded


✅ STRONG CONTROLS

  • HR responsible for employee setup

  • Sequential clock cards

  • Payroll system auto-calculation

  • Payroll manager reviews payment list

  • Overtime reports reviewed

  • Bonus approved in writing

  • Bank transfer payroll


❌ COMMON DEFICIENCIES

  1. Payroll assists HR in setting up employees (ghost employees risk)

  2. Wage changes communicated only via email

  3. Unsupervised clock-in system

  4. Overtime reviewed too infrequently

  5. Cash payroll without ID verification

  6. Payroll manager amends records personally

  7. Bonus input by clerk without independent review

  8. No independent review of payroll reconciliation

  9. Lack of segregation of duties


4️⃣ INVENTORY CYCLE

🎯 Control Objectives

  • Inventory exists

  • Correct quantity

  • Proper cut-off

  • Secure storage

  • Accurate valuation


✅ STRONG CONTROLS

  • Monthly perpetual inventory counts

  • Secure storage of high-value goods

  • Restricted access

  • Inventory reconciled to system

  • Investigating discrepancies


❌ COMMON DEFICIENCIES

  1. No full year-end count

  2. Monthly counts not consistently performed

  3. Same security code across warehouses

  4. Access codes not changed regularly

  5. No investigation of count differences

  6. Management avoids year-end count (too disruptive)

  7. Inventory stored insecurely

  8. Lack of segregation between warehouse & recording


5️⃣ CASH RECEIPTS CYCLE (Most Tested)

🎯 Control Objectives

  • All cash recorded

  • Cash safeguarded

  • Prompt banking

  • Proper reconciliation

  • Independent review


✅ STRONG CONTROLS

  • Daily till reconciliation

  • Security company bank collection

  • Credit card receipts verified

  • Bank deposit agreed to bank statement

  • Monthly bank reconciliation

  • Review evidenced by signature


❌ COMMON DEFICIENCIES

  1. No individual till logins

  2. Cash safe key stored insecurely

  3. Junior staff transporting cash

  4. Same clerk performs multiple cash duties

  5. Reconciliations reviewed only if differences exist

  6. No surprise cash counts

  7. Petty cash differences noted but not investigated

  8. Cash stored overnight unnecessarily

  9. No independent review of daily reconciliation


6️⃣ BANK RECONCILIATION DEFICIENCIES (Recurring Theme)

⚠ If you see:

  • “Only reviewed if significant”

  • “Where necessary”

  • “If required”

  • “When large”

→ That is almost always a deficiency.

Strong control =
Monthly + Independent + Signed + Investigated.


7️⃣ NON-CURRENT ASSETS

Common Deficiencies

  • Assets not physically verified

  • Only partial verification completed

  • No recent reconciliation to register

  • IA understaffed

  • No investigation of missing assets


8️⃣ IT SYSTEMS CONTROLS

Recurring themes across multiple cases:

  • New system run in parallel without full testing

  • No access controls

  • Shared passwords

  • Lack of segregation in system rights

  • Changes made without independent review


9️⃣ INTERNAL AUDIT (IA Function)

Weakness Patterns

  • IA understaffed

  • IA only reviewing some locations

  • No follow-up on findings

  • Lack of specialist skills

  • Considering outsourcing

Outsourcing Advantages

  • Specialist knowledge

  • Cost flexibility

  • Independence

Outsourcing Disadvantages

  • Less operational knowledge

  • Confidentiality risk

  • Reduced management control


🔟 UNIVERSAL DEFICIENCY IDENTIFICATION FORMULA

For ANY case:

Ask yourself:

  1. Is segregation of duties broken?

  2. Is there independent review?

  3. Is authorisation formal?

  4. Is physical security strong?

  5. Is reconciliation performed regularly?

  6. Is review evidenced?

  7. Are controls conditional?

  8. Is management convenience overriding control?

If YES → Write deficiency.


🏆 FINAL EXAM STRATEGY

Every IA question from:

  • Pear International

  • Lily Window Glass

  • Trombone

  • Bronze

  • Caterpillar

  • Equestrian

  • Comet Publishing

  • Raspberry

  • Camomile

  • Freesia

  • Amberjack

  • Snowdon

  • Swift

  • Castle Courier

  • Pomeranian

  • Whittaker

  • Daley

  • Petra

  • Silver Co

Follows one of these cycles:

  • Sales

  • Purchases

  • Payroll

  • Inventory

  • Cash

  • Assets

  • IT

The company changes.
The weaknesses repeat.


🎯 If You Master This:

You can walk into any AA Internal Control question and:

  • Identify 8+ deficiencies easily

  • Provide tailored recommendations

  • Suggest proper tests of control

  • Score full marks in Section B