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How to Write a Penalty Clause That Is Fair, Not Scary

The field that loses deals when it's wrong

Most owners either skip the breach clause entirely ("we'll sort it out if it happens") or copy a terrifying legal paragraph that makes the client nervous. Both fail. The clause has one job: to make the consequence predictable so nobody has to guess or fight when something slips. Predictable is calming, not scary — when both sides know the rule, the rule rarely needs invoking.

The fair formula

WeakScaryFair
"If you fail, there will be consequences.""Any breach forfeits all payment and incurs full damages.""If delivery is late, the affected party gives written notice and a reasonable cure period; persistent breach allows termination and remedies at law."

The fair version does three things: it names a notice (no ambush), a cure period (a chance to fix an honest mistake), and a proportionate exit (termination and lawful remedy, not punishment). That's protective without being punitive — and it's short enough that the client reads it and feels safe, not threatened.

Match the penalty to the stakes

A small job needs a light clause; a big deposit-backed project can carry a firmer one. The principle is proportionality: the consequence should fit the harm, never exceed it. A clause that's tougher than the deal is a clause that signals you expect the worst — and clients feel that, even if they can't name it.

A good penalty clause is one you hope never to use and are glad exists when you do. If it frightens the client before signing, it's too sharp; if it's blank, it's no protection at all.
A fair default, editable by you: AI Business fills field 6 with a balanced, plain-language breach clause — notice, cure, proportionate exit — and lets you adjust it to the deal. Open Agreement →

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