Every enforcement officer appointed to protect the property of the State shall, before entering upon the duties of his office, take and subscribe before a notary public, or other officer authorized to administer an oath, an oath to perform the duties of his office and shall execute a bond with some reliable surety company approved by the board in the sum of one thousand dollars for the faithful discharge of his duties. Such bond and oath shall be transmitted to the board, which shall properly record them and keep them on file in the office of the board.