Sec. 4. Not later than the 20th day before the trial begins in a proceeding in which a certificate of analysis under this article is to be introduced, the certificate must be filed with the clerk of the court and a copy must be provided by fax, secure electronic mail, hand delivery, or certified mail, return receipt requested, to the opposing party. The certificate is not admissible under Section 1 if, not later than the 10th day before the trial begins, the opposing party files a written objection to the use of the certificate with the clerk of the court and provides a copy of the objection by fax, secure electronic mail, hand delivery, or certified mail, return receipt requested, to the offering party.