PUBLIC LAWS-CHS. 788-790-AUG. 7 , 1946 Water supply line. Telephone service. August 7, 1946 [H.1R . 6642] [Public Law 634] Credit for per diem payments. 59 Stat. 603. 39 U. S. C., Supp. V, § 133 note. (h) Acquisition of rights-of-way and construction and mainte- nance of a water supply line partly outside the boundaries of Mesa Verde National Park. (i) Official telephone service in the field in the case of official tele- phones installed in private houses when authorized under regulations established by the Secretary. Approved August 7, 1946. [CHAPTER 789] AN ACT For the relief of certain postmasters. Be it enacted by the Senate and House of Representatives of the UnitedStates of America in CongressassemblZed, That the Comptroller General of the United States is authorized and directed to allow credit for payments of per diem made by postmasters acting under direction of the First Assistant Postmaster General to postal employees detailed to postal units at camps, posts, or stations to handle military mail or at civilian plants devoted to war production at rates not to exceed that provided and authorized by the Act of December 7 1945, Public Law 249, the credit to be allowed notwithstanding that the payments were made on orders issued retroactively by the Postmaster General. Approved August 7, 1946. [CHAPTER 790] August 7,1946 AN ACT [H. R. 67021 To clarify the rights of former owners of real property to reacquire such property [Public Law 635] under the Surplus Property Act of 1944. Surplus Property Act of 1944, amend- ment. 58 Stat. 777 . 0 U. S. C., Supp. V, app. §1632. "Real property." Classification of property. Reinstatement of leasehold covering Chamberlin Hotel. Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled, That section 23 (a) (1) of the Surplus Property Act of 1944 is amended to read as follows: "(1) The term 'real property' means property consisting of land, together with any fixtures and improvements thereon (including hotels, apartment houses, hospitals, office buildings, stores, and other commercial structures) located outside the District of Columbia, but does not include (A) commercial structures constructed by, at the direction of, or on behalf of any Government agency, (B) com- mercial structures which the Administrator determines have been made an integral part of a functional or economic unit which should be disposed of sa whole, and (C) war housing, industrial plants, factories, airports, airport facilities, or similar structures and facilities, or the sites thereof, or land which the Administrator determines essentialt tohe eus of any of the foregoing; and". SEC. 2 . Section 23 (c) of the Surplus Property Act of 1944 is amended by adding at the end thereof the following: "The classification of property by the Administrator (including the determination of whether property is 'real property' as defined in this section) shall be based on the highest and best use of the property at the time it is reported as surplus property regardless of its former character or use." SEC. 3. The Secretary of War and the War Assets Administration are authorized and directed to take such action as may be necessary (A) to reinstate the leasehold covering the Chamberlin Hotel, Fort Monroe, Old Point Comfort, Virginia, and its appurtenant land, buildings, utilities, and facilities, which leasehold, with all the fur- nishings and equipment used in connection therewith, was acquired 886 [60 STAT.