If many people in a business are involved in entering into and authorising a range of transactions then it is important that these transactions are properly controlled. This has two aspects:
When a transaction takes place in a business, the systems that the business operates should ensure the correct recording of that transaction
For example when money is received for a cash sale this receipt must be recorded as part of the monies received during the day and also as a sale. The accounting systems should ensure that the cash received is recorded in the till and recorded on the till roll. This receipt should then also be recorded in the accounting system as a sale.
However, on occasions, errors may be made when transactions are recorded. Businesses will therefore usually have a variety of internal checks or controls in order to identify any errors made so that they can be corrected.
Depending upon the size and structure of a business, it may operate a number of internal checks and controls including: