PUBLIC LAWS-CHS. 421 , 426 -AUG. 4, 1939 Attendance of wit- nesses and production of documentary evi- dence. Enforcement. Completion within two years. Report. Transfer of records, etc. , to Secretary of State upon termina- tion of work. Appropriation au- thorized. Administrative ex- penses a first charge on moneys received. August 4, 1939 [I. 281] [Public, No. 263] Civil Service Re- tirement Act, amend- ments. 46 Stat. 471. 6 U.. C. 569(3; Supp. IV, §693. Exclusions. Lighthouse Service employees. 40 Stat. 608. 33 U.S. C. § 763. Police and fire de- partments, D. C. Employeesexcluded by Executive orders. Extension of provi- sions by Executive order. Discretionary ex- clusion if tenure inter- mittent, etc. perjury and shall, upon conviction, suffer the punishment provided by the laws of the United States for that offense when committed in its courts of justice. (c) The attendance of witnesses and the production of documen- tary evidence may be required from any place in the United States at any designated place of hearing. Any failure to attend as a witness or to testify as a witness or to produce documentary evidence in an appropriate case may be regarded as a contempt of the authority of the Commissioner and shall be punishable in any court of the United States in the same manner as is provided by the laws of the United States for that offense when committed in its courts of justice. SEC. 6. The work of the Commissioner shall be completed within two years from the date on which he undertakes the peformance of his duties, at which time the authority vested in him by this resolu- tion shall terminate. SEC. 7. The Commissioner shall upon the completion of his work submit a written report to the Secretary of State. This report shall include a statement of the expenses of the Commissioner, a list of all claims presented to him, and his decision in each case. SEC. 8 . When the work of the Commissioner is terminated, the records, books, documents, and all property of the United States, in the possession of the Commissioner or his staff, shall be turned over to the Secretary of State. SEC. 9. Appropriations are hereby authorized for the purpose of carrying into effect the provisions of this resolution, not exceeding $25,000 in any year. SEC. 10. Any and all expenditures made in carrying out this resolution shall be a first charge on any moneys which have been received, or may hereafter be received, in settlement of the claims described in section 1. Approved, August 4, 1939. [CHAPTER 426] AN ACT To amend further the Civil Service Retirement Act, approved May 29, 1930. Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled, That section 3 of the Act of May 29, 1930, as amended, is amended by striking out all of that portion thereof beginning with rpararaph (g) and continuing to the end of the section and inserting in lieu thereof the following: "(g) This Act shall not apply to 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', nor to members of the police and fire departments of the municipal gov- ernment of the District of Columbia, nor to such employees or groups of employees as may have been before the effective date of this Act excluded by Executive orders from the benefits of the Act of May 22, 1920, and amendments thereof. "(h) The provisions of this Act may be extended by Executive order, upon recommendation of the Civil Service Commission, to apply to any employee or group of employees in the civil service of the United States not included at the time of its passage. The President shall have power, in his discretion, to exclude from the operation of this Act any employee or group of employees in the civil service whose tenure of office or employment is intermittent or of uncertain duration. 1200 [53 STAT.