(1) Telephone corporations providing basic local exchange service, as defined in section 62-603, Idaho Code, shall inform customers of the provisions of this chapter. Publication of such notification in an annual insert in a billing statement mailed to customers or by conspicuous publication in the consumer information pages of local telephone directories shall relieve telephone corporations of any and all liability under this chapter to purchasers or others claiming to have suffered harm from telephone solicitors or by operation of the provisions of this chapter.