https://www.gao.gov/products/431124

B-129696: Dec 13, 1956

YOU SAY THE EMPLOYEE'S HOTEL ROOMS WERE USED FOR OFFICIAL BUSINESS DURING THE DAY AND OCCUPANCY BY THE EMPLOYEE AT NIGHT FOR THE PERIOD SEPTEMBER 1954 TO FEBRUARY 1956. OUR UNDERSTANDING IS THAT THE MAXIMUM PER DIEM HAS BEEN AUTHORIZED AND PAID THE EMPLOYEE FOR THE PERIOD INVOLVED. BECAUSE OF THE HIGHER PRICED ACCOMMODATIONS MADE NECESSARY BY THEIR USE FOR OFFICIAL BUSINESS HE HAS BEEN ALLOWED THE...

https://www.gao.gov/products/462660

B-129696: Mar 06, 1958

WHEREIN WE HELD THAT SINCE YOU HAD BEEN ALLOWED THE MAXIMUM PER DIEM PLUS THE DIFFERENCE BETWEEN THE AMOUNTS YOU ACTUALLY PAID FOR HOTEL ACCOMMODATIONS AND THE AMOUNTS YOU WOULD HAVE BEEN CHARGED FOR A MINIMUM RATE SINGLE ROOM AT THE SAME HOTEL DURING THE SAME SEASON. WHILE TRAVELING ON OFFICIAL BUSINESS YOUR HOTEL ROOMS WERE USED FOR OFFICIAL BUSINESS DURING THE DAY AND OCCUPANCY BY YOU AT NIGHT...