GSA establishes the maximum CONUS (Continental United States) Per Diem rates for federal travel customers. This page lists Forms and Worksheets referenced in the Personnel and Pay Procedures Manual.This is not a per diem; the meal must be purchased and reasonable in cost to be reimbursed. Employees will submit a pre-approval request online with the documentation listed below BEFORE the expense is incurred. Per diem rates look-up Allowances for lodging, meal and incidental costs while on official government travel. Intermittent, temporary, or per diem. Travel, per diem, and taxes, unless otherwise expressly so provided. (e) Nineteen (19) or more years - For employees completing nineteen (19) or more years continuous service; (20) Shifts vacation leave per year. Governmental funds is provided in the form of combining statements elsewhere in this report.