• Sender’s Information: If you or your business is inviting someone to Canada, ensure that you include your full name, address, and your or your business’ contact information.
• Visitor’s Information: Ensure that the letter includes the full name, address, and contact information of the person being invited to Canada.
• Date and Length of Stay: The specific dates of the visit should be mentioned, including the start and end date of the visitor’s intended stay in Canada. It’s critical to include that your visitor doesn’t intend to stay in Canada beyond the duration of their trip. A Canadian visitor also cannot stay longer than six months. 
• Purpose of Visit: The invitation letter must explain the purpose of the visit. This can be for tourism, business meetings, conferences, family visits, milestones, or other reasons.
• Relationship to the Visitor: Disclosing the relationship between you and the visitor (e.g., family member, coworker, etc.) helps establish the credibility and authenticity of the invitation.
• The Visitor’s Itinerary: Information about the places your visitor plans to go and events/meetings they’ll attend paints a more accurate picture of the visit.
• Financial Responsibility: Outline who will be financially responsible for the visitor’s expenses during their stay in Canada. Include details about how they’ll get around, who will pay for certain activities, and any other financial support provided.
• Accommodation Details: Provide the address where your visitor will be staying and include the host’s contact information, even if it’s you.
• Declaration of Invitation: It’s important to state that the sender is inviting the recipient to visit Canada. Your letter should also note that you take full responsibility for the visitor during their stay. 
• Notarization: Having your invitation letter notarized by an authorized official (like a notary public) adds extra credibility to the letter. Notarization increases the chances of your traveler’s visitor visa application being accepted.

• Proof of Identity: A clear copy of your valid passport or government-issued ID should be provided. This includes the personal information page showing your name, photo, date of birth, and passport/ID number. This step is important for both the sender and the visitor.
• Proof of Canadian Citizenship or Permanent Residency: The person inviting a visitor to Canada must be a Canadian citizen or permanent resident. Include a copy of your citizenship certificate, permanent resident card, or birth certificate with the letter.
• Proof of Relationship (if applicable): If the visitor is coming to Canada for a family reunion or to visit a relative, include birth certificates, marriage certificates, and other evidence to establish the familial relationship.
• Proof of Accommodation: This can include a hotel reservation confirmation, lease agreement, or a letter from the host confirming the visitor’s accommodation arrangements.
• Financial Support Documentation: If you are financially supporting a visitor during their stay, you’ll need to provide proof of your financial capacity. You can do this with bank statements, an employment letter, or other documents to prove your ability to cover the visitor’s expenses. 
• Travel Itinerary: Including roof of flight reservations, a detailed schedule of activities, or prepaid tickets to events or attractions can help validate the purpose and length of the trip.
• Employment Verification: If the visitor is employed in their home country, you can include a letter from their employer. The letter should state their position, length of employment, salary, and permission for time off to help support their visa application.
• Travel Medical Insurance: Visitors need to have travel medical insurance. Be sure to include proof of travel medical insurance coverage that lasts for the duration of the trip.
• Proof of Return: To help demonstrate the visitor’s intention to return to their home country after they visit Canada, include employment contracts, property ownership, or other ties to their home country.

Additional documents required can vary based on your situation; we recommend checking the Immigration, Refugees and Citizenship Canada (IRCC) website to ensure you include everything required. You can also consult with a qualified immigration professional to ensure you include all documents documents based on your specific situation.