If you are close to ovulation, EC may not be able to prevent pregnancy if you wait 5 days. Therefore, the best thing to do is take EC as soon as you can get it. A thorough and up-to-date academic review of the medical and social science literature on emergency contraception is available here .
Employer Identification Number - EIN. A unique identification number that is assigned to a business entity so that they can easily be identified by the Internal Revenue Service. The Employer Identification Number is commonly used by employers for the purpose of reporting taxes.
Let me try to get you a fair idea of what FEIN is all about! A FEIN number is a Federal Employer Identification Number. It is often regarded as the Federal Tax Identification Number. It is also regarded as a corporate substitute of your social security number which is also a nine digit number.