As an exchange student, you will apply for a J1 exchange visitor visa. An Acknowledgement of Signature or Acknowledgement of Execution is a notary which verifies that a particular person signed a given document.Oath of Office form. Our records indicate that you have applied for a Special Immigrant Visa (SIV). Complete the online visa application, Form DS160. Print the confirmation page to bring to your visa interview. Unexpired.Immigrant.Visa. How do you get a visa?