Most charters arrive with the same ambition: to put the family agreement in writing before it is needed. That instinct is sound. A written agreement can outlast a particular generation, a difficult year, or a change in leadership. It gives the next conversation a place to start.
The trouble begins when a charter is asked to do more than it can. A document cannot manufacture trust between people who do not speak to each other. It cannot decide what a family actually values if nobody has said it out loud. And it cannot replace the slow work of explaining a decision to the people who live with it.
A useful charter is narrower. It records how decisions are made, who is responsible for what, and which questions require the family to meet rather than delegate. It sets a quorum, a review date, and a way to change the document itself. Those are modest provisions, but they are the ones that get used.
The test is not whether the charter sounds complete. The test is whether a trustee, a family member, and an adviser can pick it up in a difficult week and know what happens next. If the answer is no, the document is not finished.
A charter should make the ordinary decision easier. It should not promise to make the hard one disappear.