There is hereby authorized the regional center endowment fund. Any parent, person, corporation, or institution may contribute to said endowment fund. The bylaws to be provided by the department of human services shall prescribe the different endowments; but the investments from said endowment fund shall be in state, county, or city bonds or in first mortgages on improved realty for not more than forty percent of the actual value of such realty.L. 85: Entire part added, p. 1012, § 37, effective July 1. L. 92: Entire section amended, p. 1391, § 41, effective July 1. L. 94: Entire section amended, p. 2712, § 288, effective July 1. For the legislative declaration contained in the 1994 act amending this section, see section 1 of chapter 345, Session Laws of Colorado 1994.