The Foundation Center has several online training sessions, some of which are free. For a schedule of these trainings, see the Suggested online source section below.
VIII. B. Principle–Financial Accountability
A charitable organization is accountable to its funders, its constituencies, and the public, both as to the sources and uses of funding.
3. Unless the gift instrument says otherwise, consider the following when determining accumulation and spending of growth in endowments of nonprofits. The nonprofit must act in good faith, with the care that an ordinarily prudent person in a like position would exercise under similar circumstances, and consider such issues as the duration and preservation of the endowment fund; the purposes of the institution and the endowment fund; general economic conditions; the possible effect of inflation or deflation; the expected total return from income and the appreciation of investments; other resources of the institution; and the investment policy of the institution.
Private Foundation Law Made Easy (2008) by Bruce Hopkins.