(a) A registration service shall maintain the business records required to be retained by Section 11406 of the Vehicle Code and Sections 330.32, 330.42 and 330.46 for four years from the date the transaction, any departmental fees, or any compensation was last received from the client, whichever is the latest date.

(b) A registration service shall maintain the business records required to be retained by Section 11406 of the Vehicle Code and Sections 330.32, 330.42 and 330.46 at the principal place of business, except when the service has branch locations, records peculiar to each branch shall be maintained at the appropriate branch location.

(c) Upon approval by the department, records retained pursuant to subsection (a) may be maintained at a business location other than as required in subsection (b), provided that:

(d) All business records maintained pursuant to this section shall be available for inspection by departmental employees at any business location specified by the department upon one business day's notice by the department, except as provided in Section 330.50(c)(1).

(e) The business records shall be maintained or retrievable by the unique identifying number on each department approved transaction authorization agreement form except as specified in Title 13, Section 330.32(g) and provided the listing sheet as described in Title 13, Section 330.44, California Code of Regulations, is maintained.

(f) The registration service shall ensure business records are stored and secured in such a manner that the confidentiality of client information is maintained.

(g) Business records that are maintained by the approved listing sheet shall be kept in date order.