Code qualifying the Reference Number.

TFS01 and TFS02 define the tax form.

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

Code qualifying the Reference Number.

TFS03 and TFS04 define the tax schedule.

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

Code designating the system/method of code structure used for Identification Code (67).

TFS05 and TFS06 define the taxpayer's identity.

Code identifying a party or other code.

Date (YYMMDD).

TFS07 defines the tax period end date.

Name control field for tax information consisting of the first four characters of a business name or of an individual's last name.