No judgment for costs or award of attorneys fees against the state of Idaho, any state agency, or any officer or employee of the state of Idaho shall be allowed in any water rights adjudication proceeding pursuant to this chapter. The state of Idaho expressly refuses to waive its sovereign immunity to the imposition of any judgment for costs or award of attorney fees. The state of Idaho, state administrative agency, or any officer or employee shall not be required to pay any fees other than those provided in section 42-1414, Idaho Code, for appearing in a proceeding brought under this chapter or any appeal of a matter arising from such proceeding.
Idaho Code § 42-1423