The Internal Revenue Service is doing everything possible to ensure that individuals and groups dealing with the agency will be treated fairly regardless of their political views, IRS Commissioner John Koskinen said Tuesday.

Koskinen told a Senate committee that the IRS remains committed to fixing issues stemming from a 2013 report that the agency was unfairly targeting select Republican political organizations applying for 501(c)(3) and 501(c)(4) status. The targeting led to criminal probes by both the Department of Justice and the FBI.

"The situation described by the inspector general in his May 2013 report should never have happened," Koskinen said Tuesday. "We are doing everything possible to ensure that the mistakes referenced in the IG's report and reflected in the committee's bipartisan report do not happen again."

To ensure public fairness, Koskinen said the agency is doing many things, including making it easier for the public to get information about the process for tax-exempt status. The agency is also working to review and complete cases within 270 days, a recommendation by the committee.

Read more on WashingtonExaminer.com