In addition to the presentation by the holder and verification by the licensee of such card of identification, the licensee who is still in doubt about the true age of the holder must require the person whose age may be in question to sign a certification card and record an accurate description and serial number of his or her card of identification thereon. Such statement must be upon a five-inch by eight-inch file card, which card must be filed alphabetically by the licensee at or before the close of business on the day on which the statement is executed, in the file box containing a suitable alphabetical index and the card must be subject to examination by any peace officer or agent or employee of the board at all times. The certification card must also contain in boldface type a statement stating that the signer understands that conviction for unlawful purchase of alcoholic beverages or misuse of the certification card may result in criminal penalties including imprisonment or fine or both.