Code defining the nature or source of income.

AIN01 defines the nature or source of income earned.

Code indicating frequency or type of payment.

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 defines if the income amount will probably continue.

Reference number or identification number as defined for a particular Transaction Set, or as specified by the Reference Number Qualifier.