PUBLIC LAWS-CH. 626-OCT. 6 , 1949 Gross cost. Limitation on ex- cess equipment. 61 Stat. 103 . 22 U. S. C., Supp. II,iI 1401 -1410. Delegation of au- thority. Post, p. 719 . Termination of as- sistance by President. Termination by Congress. Availability of funds for liquidation, etc. Additional civilian personnel. (3) with respect to any nonexcess equipment or materials furnished under this Act which are taken from the mobilization reserve but with respect to which the Secretary of Defense has certified that it is not necessary fully to replace such equipment or materials in the mobilization reserve, the gross cost to the United States of such equipment and materials or its replacement cost, whichever the Secretary of Defense may specify; and (4) with respect to any equipment or materials furnished under this Act which are procured for the purpose of being so furnished, the gross cost to the United States of such equipment and materials. In determining the gross cost incurred by any agency in repairing, rehabilitating, or modifying any excess equipment furnished under this Act, all parts, accessories, or other materials used in the course of such repair rehabilitation, or modification shall be priced in accord- ance with the current standard pricing policies of such agency. For the purpose of this subsection, the gross cost of any equipment or materials taken from the mobilization reserve means either the actual gross cost to the United States of that particular equipment or materials or the estimated gross cost to the United States of that particular equipment or materials obtained by multiplying the number of units of such particular equipment or materials by the average gross cost of each unit of that equipment and materials owned by the furnishing agency. (d) Not to exceed $450,000,000 worth of excess equipment and materials may be furnished under this Act or may hereafter be fur- nished under the Act of May 22,1947, as amended. For the purposes of this subsection, the worth of any excess equipment or materials means either the actual gross cost to the United States of that particu- lar equipment or materials or the estimated gross cost to the United States of that particular equipment or materials obtained by multiply- ing the number of units of such particular equipment or materials by the average gross cost of each unit of that equipment or materials owned by the furnishing agency. SEC. 404. The President may exercise any power or authority con- ferred on him by this Act through such agency or officer of the United States as he shall direct, except such powers or authority conferred on him in section 405 and in clause (2) of subsection (b) of section 407. SEC. 405. The President shall terminate all or part of any assistance authorized by this Act under any of the following circumstances: (a) If requested by any nation to which assistance is being rendered; (b) If the President determines that the furnishing of assistance to any nation is no longer consistent with the national interest or security of the United States or the policies and purposes of this Act; or (c) If the President determines that provision of assistance would contravene any decision of the Security Council of the United Nations, or if the President otherwise determines that provision of assistance to any nation would be inconsistent with the obligation of the United States under the Charter of the United Nations to refrain from giving assistance to any nation against which the United Nations is taking preventive or enforcement action or in respect of which the General Assembly finds the continuance of such assistance is undesirable. (d) Assistance to any nation under this Act may, unless sooner terminated by the President, be terminated by concurrent resolution by the two Houses of the Congress: Provided,That funds made avail- able under this Act shall remain available for twelve months from the date of such termination for the necessary expenses of liquidating contracts, obligations, and operations under this Act. SEC. 406. (a) Any agency may employ such additional civilian per- sonnel without regard to section 14 (a) of the Federal Employees Pay 718 [63 STAT.