Processing of the ITIN, is a personal identification number for the payment of tax. The IRS (Internal Revenue Service) assigns this number in the United States to those who must pay tax but do not have a social security number, as it is assigned regardless of the person’s immigration status.
COMPANY REGISTRATION IN THE UNITED STATES, Registering a company in the United States consists of two steps: First, to register the corporation in the state (territory within the US) where the company will operate; and then carry out the EIN number (Tax Identification Number).