Trying to keep them from targeting.
Check this out:

Less than two months before taxes are due, House Republicans will pass a slate of bills aimed at protecting taxpayers from Internal Revenue Service abuses.

The House GOP also plans to move legislation that would force the government to reveal more clearly how taxpayer money is being spent.

Republicans’ legislative plans follow a year of constant scrutiny of the IRS, after the tax collection agency admitted it improperly targeted for extra scrutiny conservative groups applying for tax exempt status, delaying their approval.

Many Republicans said that act was an overtly political attempt to prevent these groups from having an impact in the 2012 election.