# Integrated vs Non-Integrated Accounting Systems

## The Big Picture

A business needs two types of accounting records:

Financial Accounting — for external reporting (P&L, Balance Sheet, statutory needs)
Cost Accounting — for internal management decisions (cost per product, profitability per division)

The question is: should these two systems be maintained together as one set of books, or separately? This gives rise to the two systems.

## 1. Integrated Accounting System

Meaning: A single set of books in which both cost-related and financial-related transactions are recorded together.

Key features:

Only one ledger maintained
Cost accounts and financial accounts are merged
No separate reconciliation needed between cost and financial profit (they are equal by construction)
Saves duplication of effort

Suitable for: medium and large entities using ERP systems where all data is captured once and used by both functions.

## 2. Non-Integrated Accounting System

Meaning: Cost-related and financial-related transactions are recorded separately — i.e., cost ledger and financial ledger are maintained as independent sets of books.

Key features:

Two parallel sets of books
Cost ledger uses a special account — General Ledger Adjustment A/c — in place of debtors/creditors/cash, because cash/credit are financial items
Periodic reconciliation needed between cost profit and financial profit
Each ledger is self-balancing

Suitable for: entities that want cost data managed independently of statutory financial books, or where cost accounting is decentralised.

## Comparison Table

Point	Integrated	Non-Integrated
Sets of books	One combined	Two separate
Reconciliation	Not required	Required
External transactions captured via	Real cash/bank/debtor/creditor a/cs	General Ledger Adjustment A/c
Effort/cost	Lower (single entry of data)	Higher (entered twice)
Profit comparison	Same	May differ; needs reconciliation

Worked example

### Example 1

Conceptual Example

Raw material purchased for ₹1,00,000 on credit.

Integrated System Entry:

```

RM Control A/c Dr 1,00,000

To Creditors / Bank 1,00,000

```

Non-Integrated System Entry (in the cost ledger):

```

RM Control A/c Dr 1,00,000

To General Ledger Adjustment A/c 1,00,000

```

Note how, in the non-integrated system, the cost ledger has no idea about a 'creditor' — that is a financial concept. So General Ledger Adjustment A/c is used as a contra to keep the cost ledger self-balancing.

⚠️ Common exam mistakes

Confusing 'integrated' with 'integrated reporting' (sustainability concept) — here it just means combined cost + financial books.
Forgetting to use General Ledger Adjustment A/c in non-integrated journal entries — students often credit Cash or Creditors directly, which is wrong because the cost ledger does not contain those accounts.
Believing that in an integrated system there is no need for cost-control accounts — they still exist; only the parallel ledger is eliminated.

Reference:

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