Letter of invitation for business visitors to Canada Canadian companies must write a letter of invitation when they host business visitors from abroad. A business event invitation letter is a formal notification that you are planning an event. Invitations Sample Letter For Party Birthday Invitation Message Birthday Invitations Lettering B-1 invitation letter from department information A foreign national traveling to the United States to conduct temporary business needs a visitor visa B-1 unless qualifying for entry under the Visa Waiver Program. Business letter of invitation . This is when the business organization needs the invitation business letter which helps the organization in this regard. What does Business Invitation Letter contain. It is used to inform the target guests that their presence at the event is highly valued. Our records show that you have been a customer of PJ Party Inc. I would like to invite you to attend a meeting on at to talk about. The format fo...