Code defining the nature or source of income

AIN01 defines the nature or source of income earned.

Code indicating frequency or type of activities or actions being reported

AIN02 defines the periodicity of the income amount.

Monetary amount

AIN03 defines amount of income.

Numeric value of quantity

AIN04 specifies number of scheduled periods or year of income receipt.

Code indicating a Yes or No condition or response

AIN05 identifies if the employee's income is expected to continue in lieu of compensation benefits. A "Y" indicates income is expected to continue; an "N" indicates income is not expected to continue.

Reference information as defined for a particular Transaction Set or as specified by the Reference Identification Qualifier

AIN06 is used to identify an internal control number.

Code to qualify amount

AIN07 indicates the income being identified in this segment is a net amount, a gross amount, or other amount.

Code specifying whether a deduction should have pre- or post-tax status

AIN08 identifies the tax status or treatment of the amount specified in AIN03.

To specify rate of pay

Code specifying the units in which a value is being expressed, or manner in which a measurement has been taken

Numeric value of quantity

AIN11 identifies the number of units of time at which the rate specified in AIN09 applies.

Code indicating a code from a specific industry code list

AIN12 identifies the American Payroll Association Code to be used to identify the specific income type for payroll payments.

A free-form description to clarify the related data elements and their content

AIN13 further describes the type of income identified in AIN12.