Q–You wrote that camera equipment should be marked in case of theft. I agree major camera items should be marked. What I disagree with is marking the equipment with your Social Security number.

This guide was reviewed by a Business News Daily editor to ensure it provides comprehensive and accurate information to aid your buying decision. Tax identification numbers (TINs) and corporate ...

Every modern automobile carries a 17-character vehicle identification number, an alphanumeric string unique to that single car. Since 1981 federal rules have required that ...

On Thursday, the IRS issued proposed regulations (REG-148873-09) that permit filers of information returns to use truncated taxpayer identification numbers (TTINs) when issuing payee statements in the ...

The United States Department of Labor and the Internal Revenue Service use EINs to track and collect taxes from operating businesses, including vendors. An EIN, or Employer Identification Number or ...

In a pair of experiments that raise questions about the use of national identifying numbers, Harvard researchers have shown that Resident Registration Numbers (RRN) used in South Korea can be ...

Prime numbers, vital in mathematics and competitive exams, can be quickly identified using a systematic approach. This method involves checking divisibility by primes up to the square root of the ...