Each written certification submitted to the Executive Director by a manufacturer as required under Business Regulation Article, §16-603(a), Annotated Code of Maryland, shall be submitted under oath in the same manner as prescribed in Business Regulation Article, §1-201(1), Annotated Code of Maryland. When a certification submitted under Business Regulation Article, §16-603, Annotated Code of Maryland, is approved, the Executive Director shall send written notification of such approval to the manufacturer, including the effective date of the certification and the date upon which such certification shall expire. Each certification submitted pursuant to Business Regulation Article, §16-602, Annotated Code of Maryland, shall state the date on which the cigarette or cigarettes listed therein were tested, provided that no such date of testing shall predate the date of submission of the certification by more than 36 months.