While the federal government probably doesn’t collect all lawfully owed tax dollars due to its own inability to fully validate every taxpayer’s claimed write-offs, it also collects a lot of tax revenue to which it’s legally/factually not entitled. I know what you’re thinking; how does the IRS actually collect and retain tax revenue that isn’t actually owed? The answer is the IRS really doesn’t know it isn’t entitled to these revenues. And it’s costing your clients money! Now that I have your attention, let me elaborate... http://www.thinkadvisor.com/2014/11/14/help-your-clients-avoid-paying-taxes-they-dont-rea