In order to qualify for a .US domain name you or your business needs to meet the following requirements. This is to ensure that anyone requesting a .US domain name has interests in the United States.

1. You need to be:

A natural person who is a US Citizen
                    Or
A natural person who is a Permanent Resident
                    Or
An entity or organization that is (i) incorporated within one of the fifty US states, the District of Columbia, or any of the US possessions or territories, or (ii) organized or otherwise constituted under the laws of a state of the US, the District of Columbia or any of its possessions and territories (including federal, state, or local government of the US, or a political subdivision thereof, and non-commercial organizations based in the US.)
                    Or
A foreign organization that regularly engages in lawful activities (sales of goods or services or other business, commercial, or non-commercial, including not for profit relations) in the United States. The CC equals to the country code of the organization, as defined in ISO 3166 [10].
                    Or
An organization has an office or other facility in the U.S., where CC equals to the county code of the organization, as defined in ISO 3166 [10].

2. You also need to state your intended use for the domain which is catagorized as either: