Single entry system

A single entry system records each accounting transaction with a single entry to the accounting records, rather than the vastly more widespread double entry system. The single entry system is centered on the results of a business that are reported in the income statement. The core information tracked in a single entry system is cash disbursements and cash receipts. Asset and liability records are usually not tracked in a single entry system; these items must be tracked separately. The primary form of record keeping in a single entry system is the cash book, which is essentially an expanded form of a check register, with columns in which to record the particular sources and uses of cash, and room at the top and bottom of each page in which to show beginning and ending balances. An example of a cash book is:

Nbr Date Description Revenue Expense Inventory Payroll
    Balance forward $41,000 $23,000 $5,700 $8,500
1000 6/15 Utilities   400    
1001 6/18 Merchandise     12,300  
1002 6/20 Wages       4,500
  6/21 Bank deposit 13,100      
1003 6/22 Supplies   1,200    
    Ending Balance $54,100 $24,600 $18,000 $13,000

The most significant problems associated with a single entry system include:

  • Assets. Assets are not tracked, so it is easier for them to be lost or stolen.
  • Audited financial statements. It is impossible to obtain an audit opinion on the financial results of a business using a single entry system; the information must be converted to a double entry format for an audit to even be a possibility.
  • Errors. It is much easier to make clerical errors in a single entry system, as opposed to the double entry system, where separate entries to different accounts must match.
  • Liabilities. Liabilities are not tracked, so you need a separate system for determining when they are due for payment, and in what amounts.
  • Reporting. There is much less information available upon which to construct the financial position of a business, so management may not be fully aware of the performance of the business.

Single entry systems are strictly use for manual accounting systems, since all computerized systems utilize the double entry system instead.

It is generally possible for a trained accountant to reconstruct a double entry-based set of accounts from single entry accounting records, though the time required may be substantial. By doing so, you can then reconstruct the balance sheet and statement of cash flows.

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