The Trump administration is lifting requirements that some tax-exempt groups disclose the identities of their donors to federal tax authorities.
The change benefits groups that spend millions of dollars on political ads, such as the U.S. Chamber of Commerce and an organization tied to the billionaire Koch brothers.
Republicans accused the Internal Revenue Service during President Barack Obama's tenure of liberal bias and unfair targeting of conservative tax-exempt groups. Now those groups figure among the organizations allowed to withhold names of their donors under the new IRS policy announced late Monday.
Treasury Department officials portrayed the changes as...