Affected employers shall maintain a copy of their approved CTR program description and report, their CTR program employee questionnaire results, and all supporting documentation for the descriptions and assertions made in any CTR report to the city for a minimum of 48 months. The city and the employer shall agree on the recordkeeping requirements as part of the accepted CTR program. (Ord. 6218 § 1, 2010; Ord. 5246 § 1 (Exh. A), 1999; Ord. 4602 § 2, 1993.)