54 STAT.] 76TH CONG. , 3D SESS.-CHS. 877-879-OCT. 14 , 1940 Section 12, strike out subsection (k) and substitute the following: "(k) Lieutenant commanders and lieutenants with date of rank as such prior to June 23, 1938, and lieutenants (junior grade) who on that date were carried as additional numbers in grade by reason of not having been recommended for promotion, shall, at their own request, in lieu of honorable discharge as provided in subsection (c) of this section, be retired on June 30 of the fiscal year in which they fail of selection as best fitted the second time or on June 30 of the fiscal year in which they complete the period of service designated in the Act of March 3, 1931, as amended (U. S. C ., title 34, Supp. III, sees. 286a and 286i), whichever date shall be later with retired pay computed as provided in subsection (b) of this section: Pro- vided, That any officer retained on the active list pursuant to this subsection shall be ineligible for consideration for promotion by sub- sequent selection boards: Provided further, That lieutenants who served in the Navy or Naval Reserve Force prior to November 12, 1918, and who shall have completed not less than twenty-one years of service, and who subsequent to June 23, 1938, have been or shall hereafter be retired under any provision of law, shall be advanced to the grade of lieutenant commander on the retired list effective from date of retirement with the retired pay of that grade." Section 14, in line 9 of subsection (a), after "grade' insert "with probationary appointments". Approved, October 14, 1940. [CHAPTER 878] AN ACT To empower and authorize special agents and such other employees of the Divi- sion of Investigations, Department of the Interior, as are designated by the Secretary of the Interior for that purpose, to administer oaths in the perform- ance of their official duties. Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled, That special agents and such other employees of the Division of Investigations, Depart- ment of the Interior of the United States, as are designated by the Secretary of the Interior for that purpose, are authorized and em- powered to administer to or take from any person an oath, affirmation affidavit, or deposition whenever necessary in the performance of their official duties. Any such oath, affirmation, affidavit, or deposi- tion administered or taken by or before a special agent or such other employee of the Division of Investigations, Department of the In- terior, designated by the Secretary of the Interior, when certified under his hand, shall have like force and effect as if administered or taken before an officer having a seal. Approved, October 14, 1940. [CHAPTER 879] AN ACT Authorizing special arrangements in the transportation of mail within the Territory of Alaska. Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled, That whenever required by the Postmaster General, any air carrier authorized by the Civil Aeronautics Authority under title IV of the Civil Aeronautics Act of 1938 to engage in the transportation of mail in the Territory of Alaska shall, within the limits of such authorization, transport, in 1175 34 U. S. C., Supp. V, § 404 (k). Retirement of des- ignated officers. 46 Stat. 1483. Provisos. Ineligibility for pro- motion. Advancement of lieutenants with speci- fied service. 34 T. S. C., Supp. V, § 405. October 14, 1940 [8. 2627] [Public, No. 855] Division of Investi- gations, Department of Interior. Special agents em- powered to administer oaths, etc. Validity. October 14, 1940 [H. R . 9851] [Public, No. 856] Alaska. Transportation of mail by aircraft. 52 Stat. 987-1005. 40 U. S. C., Supp. V, §§ 481-496.