Important information regarding Visa Invitation Letters ... Visitor visas are nonimmigrant visas for persons who want to enter the United States temporarily for business (visa category B-1), tourism, ...

It’s important to note that in most cases, the invitation letter provided by the inviting unit (whether a public entity or a company) is sufficient for M/F visa applications. The Verification Letter ...

Letter of Invitation. If you are giving a presentation, ... Visitor visas are non-immigrant visas for persons who want to enter the United States temporarily for business (visa category B-1), tourism, ...