PC Resignation Processing ; Step 1. Download and complete a Resignation Letter.1) Please complete this form, print and sign. 2) Please complete the PC Vacancy Form, print and sign. Add contact details, company name, and date. In this article, we discuss everything you need to know about handing in a resignation letter with tips and an example. Contact Securian Life Insurance at 833-365-0326. Learn how to write a professional resignation letter with our step-by-step guide and easy to use templates.