Actually, you'd be surprised how little of your life's information is on-hand compared to the eligibility requirements for certain tax credits and benefits. Th

Actually, you'd be surprised how little of your life's information is on-hand compared to the eligibility requirements for certain tax credits and benefits. The biggest example is deduction of gambling losses. IRS knows how much you've won (receipt of Form W-2G) but unless you give it an accounting of how much you've lost it has no clue at all.