Colorado Revised Statutes Title 12. Professions and Occupations § 12-230-205. Retention of records--licensee's obligation

Each licensee who sells a hearing aid or provides goods or services to a customer shall develop a written plan to ensure the maintenance of customer records. The records must be retained for at least seven years and identify the customer by name; the goods or services, except batteries, minor parts, and accessories, provided to each customer; and the date and price of each transaction.