It is essential that an applicant provide sufficient documentary evidence to satisfy the visa officer that he or she has sufficient funds to pay for all expenses that might be incurred while in Canada.If the person is visiting relatives, and if the relatives are going to assume responsibility for the expenses incurred by the visiting relative in Canada, it would be necessary to have a letter or statutory declaration from the relative setting out responsibility for all expenses.In addition, the relative must also indicate that he or she has the necessary resources, and it would be helpful if the relative includes a job letter, tax documents, bank statements, etc.The principal applicant and all dependents must be in possession of valid and subsisting passports or travel documents.