Uses of abank overdraft

A bank overdraft generally helps a business with a uncertain requirement of liquidity in a business.let us suppose there is a firm XYZ which needs some money to pay its debt or to meet some expense which has arised. It can take an overdraft from the bank, it totally depends upon the branch manager as to wether he thinks it appropriate to provide overdraft to a particular customer or not.It generally depends upon the fact that what is the past record of the customer , wether it pays the loans on time or not the average account balance maintained etc.