Act solely in the interest of plan participants — This may seem obvious, but you cannot prioritize your board, president, or local community interests over the plan participants. Act prudently — The duty to act prudently requires expertise in areas such as investment. Lacking that expertise, a fiduciary should hire someone with that professional knowledge. Fiduciaries are responsible for a decision process, not investment results. The process used to make decisions must be documented to show fiduciaries acted prudently. Capture more detail than you typically would when documenting an employee benefits-related decision as a fiduciary, . You do not just say, “The retirement plan committee reviewed the investment menu and the performance over the last six months and discussion ensued.” Instead, say something like, “There was a discussion about fund ABC, which almost but not quite met the watch list criteria that we set up in the investment policy statement and the committee decided ...