(1)(a) The relationships set forth in sections 76-2401 to 76-2430 shall commence at the time that the licensee begins representing a client and continue until performance or completion of the representation.
(b) If the representation is not performed or completed for any reason, the relationship shall end at the earlier of:
(i) The date of expiration agreed upon by the parties; or
(ii) The termination or relinquishment of the relationship by the parties.
(2) Except as otherwise agreed in writing, a licensee shall owe no further duty or obligation after termination or expiration of the contract or representation or completion of performance except the duties of:
(a) Accounting for all money and property related to and received during the relationship; and
(b) Keeping confidential all information received during the course of the relationship which was made confidential by sections 76-2401 to 76-2430, by instructions from the client, or by the policy of the designated broker unless:
(i) The client to whom the information pertains grants written consent to disclose the information; or
(ii) Disclosure of the information is required by law.