Final answer:
The oath of office can be found in Article II, Section 1, Clause 8 of the United States Constitution.
Step-by-step explanation:
The oath of office can be found in Article II, Section 1, Clause 8 of the United States Constitution. This clause states that before entering into the execution of their office, the President must take an oath or affirmation to faithfully execute the duties of the office and to preserve, protect, and defend the Constitution. This clause outlines the specific requirements for the presidential oath of office.
Learn more about The oath of office in the United States Constitution