2015 US Code
Title 39 - Postal Service (Sections 101 - 5605)
Part II - Personnel (Sections 1001 - 1209)
Chapter 10 - Employment Within the Postal Service (Sections 1001 - 1011)
Sec. 1011 - Oath of office

Before entering upon their duties and before receiving any salary, all officers and employees of the Postal Service shall take and subscribe the following oath or affirmation:

"I, ________________, do solemnly swear (or affirm) that I will support and defend the Constitution of the United States against all enemies, foreign and domestic; that I will bear true faith and allegiance to the same; that I take this obligation freely, without any mental reservation or purpose of evasion; and that I will well and faithfully discharge the duties of the office on which I am about to enter."

A person authorized to administer oaths by the laws of the United States, including section 2903 of title 5, or of a State or territory, or an officer, civil or military, holding a commission under the United States, or any officer or employee of the Postal Service designated by the Board may administer and certify the oath or affirmation.

(Pub. L. 91–375, Aug. 12, 1970, 84 Stat. 733.)

Section effective July 1, 1971, pursuant to Resolution No. 71–9 of the Board of Governors. See section 15(a) of Pub. L. 91–375, set out as a note preceding section 101 of this title.