“1. Not Reporting All Of Your Taxable Income. 2. Filling Out Forms 2555 Incorrectly.
3. Form 1116 (foreign tax credit) not done correctly. 4. Taking Higher Than The Average Deductions. 5. IRS Finders Fee Program. 6. Business Meals, Travel And Entertainment.
7. Claiming 100% Use Of Your Car For Business. 8. Large Cash Transactions. 9. Math Errors. 10. Failure to Properly Abandon your State Tax Domicile.”
http://usexpatriate.blogspot.com/2013/02/10-things-that-cause-tax-audits-of-us.html
