Mississippi Code Title 7. Executive Department § 7-1-17

The governor may appoint one or more commissioners, residing in each of the states and territories of the United States and in the District of Columbia or in any foreign country, who shall hold their office for the term of four years from the date of their commissions. They shall have full power to administer oaths and affirmations, to take and certify depositions and affidavits to be used in this state, and to take and certify the acknowledgment and proof of all instruments of writing to be recorded in this state; and their acts shall be as effectual in law as if done and certified by any officer thereunto duly authorized in this state. Before any commissioner so appointed shall proceed to perform any of the duties of his office, he shall take and subscribe an oath, before an officer authorized to administer oaths in the state or county for which such commissioner may be appointed, that he will faithfully discharge all the duties of the office, which oath shall be filed in the office of the secretary of state within six months after the taking and subscribing of the same.