A letter of instruction is a way to share final words of care with your loved ones and explain the choices you made in your last will and testament. 1. Completely fill out all three (3) Diligent Search Letters (Form B) with your information, the other party's information and have them NOTARIZED.Include their name, address, telephone number, and email address (This should be kept up to-date). Include family members, acquaintances, and organizations. Here are sample letters and forms often used to communicate with the school about the needs of a student. Read and follow the application instructions carefully! Applications with blank or improperly completed sections will not be evaluated. Read and follow the application instructions carefully! Applications with blank or improperly completed sections will not be evaluated. See the example letter for more details.