Conn. Gen. Stat. § 22-203a
Testing of milk and milk products for drug residues or other inhibitory substances. Maintenance of records.
(b) Any test administered pursuant to this section shall be approved by the Commissioner of Agriculture and shall be capable of determining compliance with standards for drug residue tolerance levels recommended by the United States Food and Drug Administration. Any test approved by the commissioner shall be rapid and economically feasible and shall be performed at a facility or location and in a manner acceptable to the commissioner. The results of any test required shall be recorded by the person administering such test and kept on file at the location where the test was conducted or at the processing plant for not less than two years.
(c) Each retail raw milk producer and intrastate dealer with ten or fewer milking age animals shall maintain records, which shall be available for inspection by the commissioner, or the commissioner's designee, for each individual animal treated with a drug. Such records shall include the name of the drug or drugs, withdrawal time required for each drug, treatment dates, and, after completion of such treatment, the date such animal's milk is offered for sale. Retail raw milk producers and intrastate dealers with more than ten milking age animals shall comply with this section.