The Trump administration plans to shutter more than 110 IRS offices that have taxpayer assistance centers as the White House’s efficiency zeal carves deeper into the tax agency. The plan, outlined in a Tuesday letter from the U.S. General Services Administration that was obtained by The Washington Post, comes in the midst of the federal tax filing season that ends April 15, and as the administration is working to reduce agencies’ headcount and scale back the footprint of the federal government. Last week, the IRS started laying off approximately 7,000 probationary employees. At least 113 taxpayer assistance centers will have...