(1) The Insecticide Analyst to whom a sample of any insecticide has been submitted for test or analysis under sub-section (6) of section 22, shall, within a period of ¹ [thirty] days, deliver to the Insecticide Inspector submitting it a signed report in duplicate in the prescribed form.
     (2) The Insecticide Inspector on receipt thereof shall deliver one copy of the report to the person from whom the sample was taken and shall retain the other copy for use in any prosecution in respect of the sample.
     (3) Any document purporting to be a report signed by an Insecticide Analyst shall be evidence of the facts stated therein, and such evidence shall be conclusive unless the person from whom the sample was taken has within twenty-eight days of the receipt of a copy of the report notified in writing the Insecticide Inspector or the court before which any proceedings in respect of the sample are pending that he intends to adduce evidence in controversion of the report.
     (4) Unless the sample has already been tested or analysed in the Central Insecticides Laboratory, where a person has under sub-section (3) notified his intention of adducing evidence in controversion of the Insecticide Analysts report, the court may, of its own motion or in its discretion at the request either of the complainant or of the accused, cause the sample of the insecticide produced before the magistrate under sub-section (6) of section 22 to be sent for test or analysis to the said laboratory, ² [which shall, within a period of thirty days, make the test or analysis] and report in writing signed by, or under the authority of, the Director of the Central Insecticides Laboratory the result thereof, and such report shall be conclusive evidence of the facts stated therein.
     (5) The cost of a test or analysis made by the Central Insecticides Laboratory under sub-section (4) shall be paid by the complainant or the accused, as the court shall direct.