21. Tax shelters are complex investment deals intended to reduce or eliminate income taxes.22. About 20 percent of his income is earmarked for tax shelters . 23. The announcement marked the first tax shelter shut down under the Bush administration. 24. Were it not for corporate tax shelters they would be higher. 25. The Finance Committee lined up behind a crackdown on tax shelters last week. 26. KPMG has maintained that it has not promoted abusive tax shelters . 27. Lawmakers expect to raise nearly $ 15 billion by closing corporate tax shelters . 28. So why not use funds inside retirement plans, which provide tax shelter anyway? 29. Tax shelters have therefore often shared an unsavory association with fraud.30. The IRS says that abusive corporate tax shelters are its most serious enforcement problem.