What are the necessary requirements for business travel to Canada?

To travel to Canada for business, you will need a valid passport, a visa or an Electronic Travel Authorization (eTA), and any necessary permits or documentation related to your specific business activities. It is also important to have proof of sufficient funds to cover your expenses during your stay and a letter of invitation from the Canadian business you will be visiting. Additionally, make sure to check for any specific requirements based on your nationality or the nature of your business trip.