Introduction Salary Pay heads (Pay components) can be created in this Master Salary rule Computation Introduction Over View : The Salary Rule computation window is used describe the Rule type for Pay heads. In this master window we can Create Rule types for Employee Earnings , Contributions and Deductions. Business case : In the Organization we can maintain multiple Rule types for Employee Salary. It may be a Contribution , Deduction and Earnings. We can Create all the Rule types in the same window and we can mention the rule type category like variable, Range, Formula and Fixed Amount.