Sen. Rand Paul Returns $600,000 Of Unspent Operating Costs : The Two-Way The $600,000 represents 20 percent of the senator's operating budget. Last year, he returned $500,000.

Sen. Rand Paul Returns $600,000 Of Unspent Operating Costs

Sen. Rand Paul. Mandel Ngan /AFP/Getty Images hide caption

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Mandel Ngan /AFP/Getty Images

Sen. Rand Paul.

Mandel Ngan /AFP/Getty Images

For the second year in a row, Sen. Rand Paul, a Republican of Kentucky, is returning a large part of his office's operating budget to the Treasury.

According to a press release, Paul presented taxpayers in Louisville with an "oversized" check for $600,000.

"I ran to stop the reckless spending, and I pledged to the people of Kentucky that I would work to keep their hard-earned money out of the hands of Washington bureaucrats whose irresponsible spending has threatened our country's economic health," Paul said.

As we reported at the time, Paul wrote out a check for $500,000 last year. That means that during the two years that Paul has been in the Senate, he has returned $1.1 million.

The $600,000 represents 20 percent of the senator's operating budget.