Ask the senior member of a wealthy household a simple question — who can move the family's money? — and you will usually get a pause. Not because the answer does not exist, but because it has never been spoken in one place. Someone knows which banker to call. Someone else knows which accounts the controller signs on. A third person remembers the attorney holds something with the word revocable in it. But no single document in the house says it all, in plain language, before anyone needs it. That silence is the gap, and it is far more common than most families realize.
I am not describing the estate plan, and I am not describing the continuity file a family opens after a death. I am describing the living authority file — the written map of who can sign, who can wire, and who can only see, in the ordinary running of the household right now. Estates and death change who holds power over the money. The authority file governs who holds it while everyone is alive, healthy, and busy. It tends to be the last thing a family writes and the one thing they most need to have written before an emergency makes the answer urgent.
Three questions are never one question
When a family first sits down to look at this, who can move the money usually means all of it at once. It actually collapses three distinct questions, and each has a different answer, a different risk, and a different fix. Naming the three separately is most of the work.
- Who can sign. Whose signature binds an account, a loan, a sale, a contract. Not who can view it — whose name on a line creates an obligation the household is then on the hook for.
- Who can wire. Who can actually move cash, out of which accounts, up to what amount, and to which destinations. This is the sharpest question, because a wire does not wait for a signature in the way a check does.
- Who can see. Who can read the statements and balances but cannot touch a dollar. Seeing is the low-risk permission, and it is often the one a family is most afraid to extend — mostly because they have never separated it from the other two.
A household that has not separated these three tends to run them together. A child who can see a statement is treated as though they could spend it. A spouse who has signing authority on a joint account is assumed to know how the wiring works. The blur is where the risk lives, and separating view from sign from wire is the first clean thing the authority file does.
Write it on one page
The whole point is that the family should be able to lay hands on one page that answers the question. Not a binder of account-opening documents. Not a folder of forms gathered over twenty years. One page, in plain language, that the senior member of the household could hand to a banker, an attorney, a child, or a new advisor and have them understand in five minutes who holds what.
- The name and role of each person — principal, spouse, adult child, controller, trustee, advisor — and whether they can view, sign, or wire.
- The accounts and entities, and which authority each person holds on each one. Authority is granular: the same person may be a signer on one account and view-only on another.
- The limits. Many households run on a threshold — under it, one signer; over it, two. That threshold belongs on the page.
- Who granted the authority, and when. Authority is granted by someone; the page should say by whom and on what date, so it can be reviewed and, when the time comes, revoked.
That is the whole page. It does not need to be longer or more technical. A page this simple forces the hard answers into the open — and most households discover, when they first try to build it, that nobody actually knows all of it. They know their own slice. Reconstructing the page from memory is usually where they first realize how much authority has been granted informally and never recorded.
Viewing is not authority, and authority is not ownership
The two most common confusions in a wealthy household are easy to state and hard to undo once they have quietly settled in. The first is that seeing a statement is the same as being able to move the money. It is not. View-only access is a courtesy and a check; it carries no obligation and no risk beyond the eyes that see it. A family that wants an adult child to understand the family's finances should be able to give them view without handing them the ability to spend. Many institutions support this cleanly — the family simply has to ask for the separation, and to write it down so nobody reinterprets it later.
The second confusion is that signature authority is the same as ownership. It is not. A signer on an account is an agent of the family, not an owner of the money. That distinction matters most with adult children and with trusted employees: being able to sign for the family is a responsibility the family has delegated, and it should be recorded, limited, and periodically renewed — not a status that, once granted, is assumed to run forever. And authority that was granted for a season — while a parent was traveling, while an account was being restructured — should expire. The authority file is where that expiry lives, so a temporary grant does not quietly become permanent.
Wires and the controls around them
Wiring is where the ordinary rules of signing break down, because a wire does not present a signature the way a check does. The moment a family moves meaningful money by wire, the practical controls matter more than any single person's authority. Most sophisticated households already run a version of this: one person initiates, a second approves above a set amount, and certain destinations are pre-registered with the bank so money can only land where the family has decided in advance it may land.
None of this replaces the banker, and this is not an institution's compliance manual. The household version is simpler. Name who may initiate. Name who confirms the destination — and confirm it on a channel the household already holds, not by replying to the email that made the request. Put limits on the page. And write down that a change to a payee's banking details is a higher-friction event than a payment to a payee already on file. The family's banker knows how to configure the institution's controls; the family's job is to define the authority and the threshold, and to have an owner who keeps it true.
Write it before the emergency
The reason this file so often does not exist is that building it feels like work for a problem that has not happened. But the emergency is rarely the dramatic one. It is the bad Tuesday — the principal taken ill suddenly, a spouse who discovers they do not know how the accounts are titled, an adult child who has to explain to a bank that they are not the owner, they only had an allowance. In that moment, the absence of a written authority file does not just create delay; it creates a scramble in which the wrong person can end up holding authority informally, with no record and no review.
This is the difference between a household that runs on a written map and one that runs on institutional memory. Institutional memory is whatever the quietest member of the family happens to know. A written map survives a change of staff, a move, a death, a new advisor. It is not a document for the lawyers. It is the operating manual the family should have had all along — and writing it is cheaper and calmer before the emergency than reconstructing it in the middle of one.
It needs an owner
A file is only as good as the person who keeps it true, and the authority file is no exception. The family should be able to answer, in one sentence, who owns this page — who reviews it on a set date each year, who updates it after a marriage, a divorce, a new account, a child reaching adulthood, a death, a funded trust. The owner does not need to be an employee or a title; it needs to be a name the family can give you. If the answer is no one, the page will drift, and a drifting authority file is itself a risk — because it records authority that no longer reflects who is actually operating the accounts.
The review cadence is unglamorous and it works: once a year, on the same calendar the family already uses for the cash calendar and the balance sheet, pull the page, walk each line, and ask what changed. Add an update whenever you can name a material event. That is the entire calendar. It exists so the map holds — so that on any ordinary day, and on any bad one, the answer to who can move the family's money is written down, current, and held by someone who owns the question.
Where this sits in Financial GM
Read the household continuity file, because it is the after-death companion to this page — the authority file is the before, and the two belong side by side. Read how the family supervises the specialists it already has, because a banker and a controller are specialists like any other, chosen once and then held to a review cycle. And read private-bank-is-not-the-family-cfo, because the authority to act on an account is not the same as the architecture around the whole household — one is a permission, the other is a design.
A closing standard

The honest test is simple. Hand the senior member of the household a blank page and ask them to fill in who can move the family's money — who signs, who wires, who only sees, up to what limits, granted by whom. A family that can do it from memory does not need the page urgently. A family that stumbles on the first line is exactly the family the page is for. Most families stumble, and most find that building the page surfaces a few small surprises they were glad to learn before an emergency made them matter.
The authority file does not add complexity to a family's life. It removes it. It is one page, one owner, one annual pass, holding a single clear answer to a question every family deserves to be able to answer without a pause.
Private conversation: info@hudcos.com or (845) 920-1600.




