In subsection (a), the words “may acquire by lease” are substituted for the words “is authorized, in his discretion, to rent or lease”. The word “needed” is substituted for the word “required”.

In subsection (b), the words “At any time” are inserted for clarity. The word “may” is substituted for the words “is authorized”. The word “agency” is substituted for the word “branch”. Clause (3) is inserted for clarity. The word “determine” is substituted for the word “ascertain”. The words “out of funds appropriated for the payment of rent by” are substituted for the words “within the limits of the appropriations for rent made by any act making appropriations for”. The word “is” is substituted for the word “be”. The words “so ascertained” and “in the manner provided by sections 41(20) and 250 of Title 28” are omitted as surplusage, since those sections were repealed in 1948 and replaced by sections 1346, 1491, 1496, 1501, 1503, 2401, 2402, and 2501 of that title.