Entities
Registered agent
A registered agent is a person or company designated to receive legal documents and official state correspondence on behalf of a business. Every US state requires one, with a physical street address in the state of formation, available during business hours. A PO box does not qualify.
In plain terms: Someone with a real address in your state who accepts legal mail for your company.
Why it matters
For anyone not living in the formation state this is simply a required paid service, typically $50–$150 a year. The failure mode matters more than the cost: if the agent resigns or lapses, the state loses its ability to reach you and the company starts down the path to administrative dissolution.
Common misunderstanding
Treating it as optional overhead. It is the state's only official channel to you, and losing it is how companies get dissolved without their owners noticing.
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