Idaho Code § 68-503 : — TRUSTS AND FIDUCIARIESUNIFORM PRUDENT INVESTOR ACT —503 - DIVERSIFICATION TEXT PDF A trustee shall diversify the investments of the trust unless the trustee reasonably determines that, because of special circumstances, the purposes of the trust are better served without diversifying. Idaho Code § 68-503 [68-503, added 1997, ch. 14, sec. 2, p. 16.]