Class DecimalNiRoundingExtensions

Namespace

Payetools.NationalInsurance.Extensions

Assembly

Payetools.NationalInsurance.dll

Extension methods for decimal instances to provide specialised rounding as per HMRC documentation.

public static class DecimalNiRoundingExtensions

Inheritance

object

DecimalNiRoundingExtensions

Inherited Members

object.Equals(object)

object.Equals(object, object)

object.GetHashCode()

object.GetType()

object.MemberwiseClone()

object.ReferenceEquals(object, object)

object.ToString()

Methods

NiRound(decimal)

Rounds a decimal value based on the value of the third digit after the decimal point. If the value of the third digit is 6 or above, the number is rounded up to the nearest whole pence; if the value of the third digit is 5 or below, the number is rounded down.

public static decimal NiRound(this decimal value)

Parameters

value decimal

decimal value to be rounded.

Returns

decimal

Rounded decimal value.

Remarks

This extension method is included to support the specific rounding required for NI calculations as set out in the 'National Insurance contributions (NICs) guidance for software developers' document published by HMRC.

Exceptions

ArgumentOutOfRangeException

Thrown if a negative number is supplied for value.