7 Canal, including the acquisition of land or any interest in land by purchase, lease, condemnation, or otherwise, and the preparation necessary to make the same suitable for the purpose intended, and for the acquisition and improvement of emergency landing finds in the Canal Zone, $239,000. In all, specifically for fortifications and armament thereof for the Panama Canal, $1,985,534. SEC. 2. That all material purchased under the provisions of this Act shall be of American manufacture, except in cases when, in the judgment of the Secretary of War, it is to the manifest interest of the United States to make purchases abroad, which material shall be admitted free of duty. SEC. 3. That except as expressly otherwise authorized herein no part of the sums appropriated by this Act shall be expended in the purchase from private manufacturers of any material at a price in excess of 25 per centum more than the cost of manufacturing such material by the Government, or, where such material is not or has not been manufactured by the Government, at a price in excess of 25 per centum more than the estimated cost of manufacture by the Government. SEC. 4. That expenditures for carrying out the provisions of this Act shall not be made in such manner as to prevent the operation of the Government arsenals at their most economical rate of production, except when a special exigency requires the operation of a portion of an arsenal's equipment at a different rate: Provided, That no part of the appropriations made in this Act shall be available for the salary or pay of any officer, manager, superintendent, foreman, or other person having charge of the work of any employee of the United States Government while making or causing to be made with a stop watch or other time-measuring device a time study of any job of any such employee between the starting and completion thereof, or of the movements of any such employee while engaged upon such work. SEC. 5. That no part of the moneys appropriated in each or any section of this Act shall be used or expended for the purchase or acquirement of any article or articles that at the time of the proposed acquirement can be manufactured or produced in each or any of the Government arsenals of the United States for a sum less than it can be purchased or procured otherwise. SEC. 6. That all orders or contracts for manufacture of material pertaining to approved projects, which are placed with arsenals or other ordnance establishments and which are chargeable to armament of fortifications appropriations, shall be considered as obligations in all respects in the same manner as provided for similar orders placed with commercial manufacturers. SEC. 7. That whenever any Government bureau or department procures, by purchase or manufacture, stores or materials of any kind, or performs any service for another bureau or department, the funds of the bureau or department for which the stores or materials are to be procured or the service performed may be placed subject to the requisitions of the bureau 8 or department making the procurement or performing the service for direct expenditure: Provided, That funds so placed with the procuring bureau shall remain available for a period of two years for the purposes for which the allocation was made unless sooner expended. SEC. 8. That the following unexpended balances, or portions of the unexpended balances, or combined unexpended balances, or portions of combined unexpended balances of appropriations for fortifications and other works of defense, as set forth in this section, shall be carried to the surplus fund and covered into the Treasury immediately upon the approval of this Act, namely: Supplies for seacoast defenses, $40,000; Sites for fortifications and seacoast defenses, $88,292.88. Electrical and sound-ranging equipment, and so forth, $2,260,050.69. Sea walls and embankments, $7,785.67. Contingent expenses, seacoast fortifications, $49,985.36. Coast Artillery war instruction, $724.14. Barracks and quarters, seacoast defenses, $2,050,000. Aviation, seacoast defenses, insular possessions, $302,046.89. Armament of fortifications, Panama Canal, $2,306,481.73. Board of Ordnance and Fortifications, $230,000. Total appropriations to be covered into the Treasury, fortifications and other works of defense, $800,615,139.13. Approved, May 21, 1920. [112, A. G. O.] II_Act of Congress-Retirement of employees in the classified civil service.-The following act of Congress is published to the Army for the information and guidance of all concerned: An Act For the retirement of employees in the classified civil service, and for other purposes. Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled, That beginning at the expiration of ninety days next following the passage of this Act, all employees in the classified civil service of the United States who have on that date, or shall have on any date thereafter, reached the age of seventy years and rendered at least fifteen years of service computed as prescribed in section 3 of this Act, shall be eligible for retirement on an annuity as provided in section 2 hereof: Provided, That mechanics, city and rural letter carriers, and post-office clerks shall be eligible for retirement at sixty-five years of age, and railway postal clerks at sixty-two years of age, if said mechanics, city and rural letters carriers, post-office clerks, and railway postal clerks 9 shall have rendered at least fifteen years of service computed as prescribed in section 3 of this Act. The provisions of this Act shall include superintendents of United States national cemeteries, employees of the Superintendent of the United States Capitol Buildings and Grounds, the Library of Congress, and the Botanic Gardens, excepting persons appointed by the President and confirmed by the Senate, any may be extended by Executive order, upon recommendation of the Civil Service Commission, to include any employee or group of employees in the civil service of the United States not classified at the time of the passage of this Act. The President shall have power, in his discretion, to exclude from the operation of this Act any employee or group of employees in the classified civil service whose tenure of office or employment is intermittent or of uncertain duration. All regular annual employees of the municipal government of the District of Columbia, appointed directly by the commissioners, or by other competent authority including those receiving per diem compensation paid out of general appropriations, but whose services are continuous, and including public-school employees, excepting school officers and teachers, shall be included in the provisions of this Act, but members of the police and fire departments shall be excluded therefrom. Postmasters, and such employees of the Lighthouse Service as come within the provisions of section 6 of the Act of June 20, 1918, entitled, "An Act to authorize aids to navigation and for other works in the Lighthouse Service, and for other purposes," shall not be included in the provisions of this Act. SEC. 2. That for the purpose of determining the amount of annuity which retired employees shall receive, the following classifications and rates shall be established: Class A shall include all employees to whom this Act applies who shall have served the United States for a total period of thirty years or more. The annuity to a retired employee in this class shall equal 60 per centum of such employee's average annual basic salary, pay, or compensation from the United States for the ten years next preceding the date on which he or she shall retire: Provided, That in no case shall an annuity in this class exceed $720 per annum or be less than $360 per annum. Class B shall include all employees to whom this Act applies who shall have served the United States for a total period of twenty-seven years or more, but less than thirty years. The annuity to a retired employee in this class shall equal 54 per centum of such employee's average annual basic salary, pay, or compensation from the United States for the ten years next preceding the date on which he or she shall retire: Provided, That in no case shall an annuity in this class exceed $648 per annum, or be less than $324 per annum. Class C shall include all employees to whom this Act applies who shall have served the United States for a total period of twenty-four years or more, but less than twenty-seven years. The annuity to a retired employee in this class shall equal 48 per centum of such employee's average annual basic salary, pay, 10 or compensation from the United States for the ten years next preceding the date on which he or she shall retire: Provided, That in no case shall an annuity in this class exceed $576 per annum, or be less than $288 per annum. Class D shall include all employees to whom this Act applies who shall have served the United States for a total period of twenty-one years or more, but less than twenty-four years. The annuity to a retired employee in this class shall equal 42 per centum of such employee's average annual basic salary, pay, or compensation from the United States for the ten years next preceding the date on which he or she shall retire: Provided, That in no case shall an annuity in this class exceed $504 per annum, or be less than $252 per annum. Class E shall include all employees to whom this Act applies who shall have served the United States for a total period of eighteen years or more, but less than twenty-one years. The annuity to a retired employee in this class shall equal 36 per centum of such employee's average annual basic salary, pay, or compensation from the United States for the ten years next preceding the date on which he or she shall retire: Provided, That in no case shall an annuity in this class exceed $432 per annum, or be less than $216 per annum. Class F shall include all employees to whom this Act applies who shall have served the United States for a total period of fifteen years or more, but less than eighteen years. The annuity to a retired employee in this class shall equal 30 per centum of such employee's average annual basic salary, pay, or compensation from the United States for the ten years next preceding the date on which he or she shall retire: Provided, That in no case shall an annuity in this class exceed $360 per annum, or be less than $180 per annum. The term "basic salary, pay, or compensation" wherever used in this Act shall be so construed as to exclude from the operation of the Act all bonuses, allowances, overtime pay, or salary, pay, or compensation given in addition to the base pay of the positions as fixed by law or regulation. SEC. 3. That for the purposes of this Act and subject to the provisions of section 10 hereof, the period of service shall be computed from the date of original employment, whether as a classified or unclassified employee in the civil service of the United States, and shall include periods of service at different times and services in one or more departments, branches, or independent offices of the Government, and shall also include service performed under authority of the United States beyond seas, and honorable service in the Army, Navy, Marine Corps, or Coast Guard of the United States: Provided, That in the case of an employee who is eligible for and elects to receive a pension under any law, or compensation under the War Risk Insurance Act, the period of his or her military or naval service upon which such pension or compensation is based shall not be included for the purpose of assignment to classes defined in section 2 hereof, but nothing contained in this Act shall be so construed as to affect in any manner his or her right to a pen 11 sion, or to compensation under the War Risk Insurance Act, in addition to the annuity herein provided. It is further provided that in computing length of service for the purposes of this Act all periods of separation from the service and so much of any period of leave of absence as may exceed six months shall be excluded, and that in the case of substitutes in the Postal Service only periods of active employment shall be included. SEC. 4. That for the purpose of administration, except as otherwise provided herein, the Commissioner of Pensions, under the direction of the Secretary of the Interior, be, and is hereby, authorized and directed to perform, or cause to be performed, any and all acts and to make such rules and regulations as may be necessary and proper for the purpose of carrying the provisions of this Act into full force and effect. An appeal to the Secretary of the Interior shall lie from the final action or order of the Commissioner of Pensions affecting the rights or interests of any person or of the United States under this Act, the procedure on appeal to be as prescribed by the Commissioner of Pensions, with the approval of the Secretary of the Interior. SEC. 5. That any employee to whom this Act applies who shall have served for a total period of not less than fifteen years, and who, before reaching the retirement age as fixed in section 1 hereof, becomes totally disabled for useful and efficient service by reason of disease or injury not due to vicious habits, intemperance, or willful misconduct on the part of the employee, shall upon his or her own application or upon the request or order of the head of the department, branch, or independent office concerned, be retired on an annuity under the provisions of section 2 hereof: Provided, however, That no employee shall be retired under the provisions of this section until examined by a medical officer of the United States or a duly qualified physiciari or surgeon or board of physicians or surgeons designated by the Commissioner of Pensions for that purpose and found to be disabled in the degree and in the manner specified herein. Every annuitant retired under the provisions of this section, unless the disability for which retired is permanent in character, shall, at the expiration of one year from the date of such retirement and annually thereafter until reaching the retirement age as defined in section 1 hereof, be examined under direction of the Commissioner of Pensions by a medical officer of the United States, or a duly qualified physician or surgeon or board of physicians or surgeons designated by the Commissioner of Pensions for that purpose, in order to ascertain the nature and degree of the annuitant's disability, if any; if the annuitant recovers and is restored to his or her former earning capacity before reaching the retirement age, payment of the annuity shall be discontinued from the date of the medical examination show- ing such recovery; if the annuitant fails to appear for examination as required under this section, payment of the annuity shall be suspended until continuance of the disability has been satisfactorily established. The Commissioner of Pensions is hereby authorized to order or direct at any time such medical |