Proposal No. Date of Receipt. How to fill out the Postal Life Insurance Proposal Form Instructions?Forms and Documents, Download. 1. Read through the entire form to understand the required information. This document appears to be a proposal form for postal life insurance. How to download PLI Proposal Form PDF ? This Booklet provides general information for employees about the Federal. Employees' Group Life Insurance (FEGLI) Program. Travis County ESD No. 6 Headquarters.