High-Dose Iodine for Hypothyroid Symptoms. This is the most common reason why people take iodine supplements, but the evidence is not simple and in fact may show some danger from the high-dose pills. In healthy people, iodine deficiency is clearly related to hypothyroid disorders, and adequate iodine intake is preventative. But too much of a good thing is not necessarily better. This study, for example, found that iodine overnutrition also contributed to autoimmune thyroid disorders and hypothyroidism.
Instead, you can use your Social Security Number and report your income and expenses on a Schedule C tax form (http://www.irs.gov/pub/irs-pdf/f1040sc.pdf). However, many sole proprietors still elect to use an EIN because it reduces the chances of identity theft and banks often require one to open a business account.
A W-7 Form is used to apply for an individual taxpayer identification number, or ITIN, for non-citizens who aren't eligible to receive a Social Security number but need to file a federal tax return with the IRS for income from US sources.orm W-7 asks for the following information: 1  The reason the applicant needs an ITIN. 2  The applicant's name, mailing address and, if different, foreign address. 3  The applicant's birth date and location of birth. 4  The country where the applicant is a citizen.