February 09, 2018
On Friday, February 9, 2018, the President signed into law:
H.R. 1301, the "Continuing Appropriations Amendments Act, 2018," which authorizes the retroactive compensation of employees furloughed as a result of a lapse in appropriations that began on or about February 9, 2018.
Donald J. Trump, President Donald J. Trump Signs H.R. 1301 into Law Online by Gerhard Peters and John T. Woolley, The American Presidency Project https://www.presidency.ucsb.edu/node/332125