Completing the form. You'll fill out and submit the Generic Application Form for Canada (IMM 0008) online.Generally, you must mail your check or money order together with your application or petition. Use a separate check or money order for each. Find what you need to apply for or renew an individual tax identification number (ITIN). To apply for short-term visits to the United States (for tourism, business, education, and more), you can go directly to the online application (form DS-160). In this video I'll share with you all the supporting documents that I submitted when I was sponsoring my wife. This Boundless Immigration resource focuses on criminal records for the relative seeking a green card. To apply for a green card under either of these categories, you must file Form I-485, Application to Register Permanent Residence or Adjust Status. PURPOSE: The primary purpose for completing is to respond to your request for assistance with an immigration benefit application, petition, and document.