*Control by exception* and its benefits

Meaning of control by exception

Control by exception, also called management by exception, is a principle of management control. Its starting point is that a manager's attention is limited: one who tries to keep watch over every detail ends up keeping effective watch over none of it. So only significant deviations, those that cross a permissible limit, are reported to management. Whatever stays inside the agreed range is left to the people doing the work.

The idea is also stated as a rule for designing the organisation itself. The structure should sort decisions by level: everyday, repetitive matters are settled by subordinates, unusual problems and questions of policy are passed up, and managers thus handle only what is exceptional.

How the principle works

The principle operates inside the ordinary control process. Standards are set, actual performance is measured and compared with them, and the deviations are analysed. At the analysis stage the manager fixes in advance the range of deviation that is acceptable, and recognises that deviations in key areas need more urgent attention than those in minor ones. The result is a simple sorting rule. A deviation inside the limits calls for no corrective step and the work carries on; one outside them, above all in an important area, goes to the manager for attention without delay.

It works hand in hand with critical point control. Since it is neither economical nor easy to watch every activity, control concentrates on the key result areas that decide the organisation's success. Controls should therefore flag exceptions at these critical points and indicate how much each deviation matters, so that the manager's effort goes to the important ones first.

Consider a hospital chain in Kochi that sets a standard of twenty minutes for a patient's wait at the outpatient desk, with five minutes' tolerance. The unit head is not told about a twenty-three-minute wait; a forty-minute average for a week is reported to the regional manager at once, and the cause, perhaps a doctor short on that shift, is found and put right. In the same chain, a break in the cold storage of vaccines is a critical point to be reported however brief it is, while a late refill of the waiting-room water dispenser is left to the ward staff.

Benefits of control by exception

1. It brings serious problems to light in time. Because the reports carry only the deviations that matter, the problems that need quick action to keep the organisation on course stand out.
2. It supports delegation and lifts morale. Subordinates are trusted with routine matters, which makes it easier to pass authority down and raises employees' morale. A good control system likewise lets top management hand over authority and keep clear of detail it does not need.
3. It makes supervision simpler. A supervisor who receives only the significant deviations has far less to look through.
4. It saves managers' time and effort, since they spend both only on deviations that are significant.
5. It keeps control economical. A control must be worth what it costs; looking only at the exceptions avoids spending effort on every routine item.
6. It puts managerial talent to better use, because attention is directed to the areas that matter.

Conditions for it to work well

• Clear standards. Standards should be set in precise quantitative terms wherever possible, since this makes comparison with actual performance easier.
• Objective measurement. Whether a subordinate is doing well should not rest on subjective judgement; objective standards and up-to-date measurement make control more effective.
• A defined tolerance. The acceptable range of deviation must be fixed in advance.
• Flexible standards. Standards should be open to change when the internal and external environment changes.

Conclusion

Control by exception lets managers spend their attention where it counts. By reporting only the deviations that cross agreed limits in key areas, it saves time, supports delegation and keeps control both economical and timely.