The General Services Administration per diem for fiscal year 2018 will increase to $144 from $142. The new rate will go into effect on Oct. 1. It includes $93 for lodging, which accounted for the $2 year-over-year increase, and $51 for meals and incidental expenses....

The U.S. Internal Revenue Service's reimbursement rate for business mileage on a personal car has dropped for the second year in a row and the fifth time in 16 years. As of January 1st, the rate is now 53.5 cents, down from 54 cents in...