No person shall be in violation of any provision of this chapter prohibiting the acceptance of a gift if (i) the gift is not used by such person and the gift or its equivalent in money is returned to the donor or delivered to a charitable organization within a reasonable period of time upon the discovery of the value of the gift and is not claimed as a charitable contribution for federal income tax purposes or (ii) consideration is given by the donee to the donor for the value of the gift within a reasonable period of time upon the discovery of the value of the gift provided that such consideration reduces the value of the gift to an amount not in excess of $100 as provided in subsection B or C of § 2.2-3103.1.