How To Write A Letter Of Invitation . A perfect structure a good subject line. I would also like to inform you that the event would take place at _______ (venue of the event) and the date will be on ______ (date of. Letter of Invitation from www.scribd.com He is a citizen of my native country, [insert country. She / he lives at [visitor’s address] and their home phone number is (yy)xxxxxxx. I am sending this letter so that it may act as support for the visa application for [name of visitor].