US nexus requirements for a .us domain
When you register a .us, you declare which nexus category applies to you. The registry can check this and may cancel a registration that does not meet the rules. The checkout asks for the category together with your registrant details.
| Category | Who it covers |
|---|---|
| C11 | A US citizen |
| C12 | A permanent resident of the US |
| C21 | A US organization, company or nonprofit formed in the US |
| C31 | A foreign entity that regularly sells or provides services in the US |
| C32 | A foreign entity with an office or other facility in the US |