This is to certify that the above named student was registered as a full time student, in an undergraduate program, for the Spring Day 2015 term. The. We have received your child's registration form.In this article, we discuss how to write a conformational letter, look at sample templates for formal and informal confirmation letters and share some tips. Important Information. I am writing you today to request to receive the Sacrament of Confirmation. Please avoid using autofill when completing the form.