Form 3531, Page 1This represents the front page of Form 3531, Request for Signature or Missing Information to Complete Return, with an example of how to fill out the form for correspondence. The Capital Letters beside the boxes corollate with the instructions in the preceding table.Capital Letter A is in the margin beside Box 1Capital Letter B is in the margin beside Box 2Capital Letter C is in the margin beside Box 3Capital Letter D is in the margin beside Box 4Capital Letter E is in the margin beside Box 6Capital Letter F is in the margin beside Box 7Capital Letter G is in the margin beside Box 9Capital Letter H is in the margin beside Box 10 Capital Letter I is in the margin beside Box 11-14Capital Letter J is in the margin beside Box 15