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.
A Taxpayer Identification Number, or TIN, is an identifying number either assigned by the Social Security Administration or the Internal Revenue Service.A TIN can refer to a Social Security Number, an Employer Identification Number, or other types of numbers. Taxpayer Identification Number, or TIN, is an identifying number either assigned by the Social Security Administration or the Internal Revenue Service.