The secretary may receive and accept from any person, organization, or estate gifts of money or personal property on behalf of a residential habilitation center, or the residents therein, or on behalf of the entire program for persons with developmental disabilities, or any part of the program, and to use the gifts for the purposes specified by the donor where such use is consistent with law. In the absence of a specified purpose, the secretary shall use such money or personal property for the general benefit of persons with developmental disabilities. The secretary shall keep an accurate record of the amount or kind of gift, the date received, manner expended, and the name and address of the donor. Any increase resulting from such gift may be used for the same purpose as the original gift.