Remove unused import
Add a United States ITIN module

The ITIN (Individual Taxpayer Identification Number) is issued by the
United States IRS to individuals who are required to have a taxpayer
identification number but who are not eligible to obtain a Social
Security Number.
Add a United States EIN module

The Employer Identification Number (EIN), also known as Federal Employer
Identification Number (FEIN), is used to identify a business entity in
the United States. It is issued to anyone that has to pay withholding
taxes on employees.
Add a United States ATIN module

An Adoption Taxpayer Identification Number (ATIN) is a temporary
nine-digit number issued by the United States IRS for a child for whom
the adopting parents cannot obtain a Social Security Number.
Add a United States PTIN module

A Preparer Tax Identification Number (PTIN) is United States
identification number for tax return preparers. It is an eight-digit
number prefixed with a capital P.
Add a United States TIN module

The Taxpayer Identification Number is used used for tax purposes in the
United States. This module uses the SSN, ITIN, EIN, PTIN and ATIN
modules to determine validitiy of the TIN.
Add various United States Tax number modules

This adds modules for the Individual Taxpayer Identification Number
(ITIN), the Employer Identification Number (EIN), Adoption Taxpayer
Identification Number (ATIN) and Preparer Tax Identification Number
(PTIN) that together with the Social Security Number (SSN) are valid
Taxpayer Identification Numbers (TIN)
Clarify onderwijsnummer description
Add a Dutch Brin number module

The Brin (Basis Registratie Instellingen) is a number to identify
schools and related institutions.

Addresses trac ticket #6.