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.
An insurance company needs a company's FEIN number so it can issue the business a 1099 for insurance payments that have been made. Workers' Compensation When a business buys workers' compensation insurance, it must present its FEIN number to the workersâ compensation board in its state.