The field of retail operations concerns the work that individuals do to keep a retail store functioning. This includes both retail salespeople and managers in all types of retail stores, including small stores with only a handful of workers and large chain stores with hundreds of employees.
A Tax Identification Number (Tax ID), also called an Employer Identification Number (EIN), is a nine digit number in the format 12-3456789 that is issued to businesses by the Internal Revenue Service.
How to Find a Federal Tax ID Number. Tax Identification numbers (TINs) are identification numbers used by the Internal Revenue Service (IRS). There are many kinds of TINs that are listed on a number of different forms.