(a) Each business licensed under this Part shall keep and maintain for a period of three years records of all transactions performed by the business.

(b) A licensee under this Part must keep and maintain records of employees of the firm until each employee has not been in the licensee's employ for a period of at least three full years. Such records shall include employee statement, employee application, employee business and employment I.D. number, length of employment and payroll records.

(c) All records must be retained for longer periods in the event there is any litigation pending concerning such records and/or employee. Litigation shall include investigation or administrative action by the Department of State, initiated by complaint from the general public or by the department.

(d) A business which is licensed to install, maintain or service security or fire alarm systems must maintain employee and business records at a central location within New York State. This is applicable to all company and personnel records pertaining exclusively to the conduct of business in this State.

(e) Each licensee shall prepare and retain a statement of services and charges which has been agreed upon between the licensee and the consumer, a copy of which must be presented to the consumer. The consumer must be presented with a copy of any document signed by the licensee and consumer. Any agreement signed by a representative of the licensee and the consumer for services to be performed must be retained by the licensee in the business records of the firm.

(f) In conjunction with any transaction, each licensee shall identify any and all employees who work on the installation, service, or maintenance of a security or fire alarm system.