Oath of Office for Postal Employees
39 U.S.C. Sec. 1011. Oath of office
"Before entering upon their duties and before receiving any salary, all officers and employees of the Postal Service shall taken 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.