1199 SEIU Cafeteria Clerical Contract May 03, 2021 1199 SEIU, AFL-CIO, Union Contract for Cafeteria and Clerical Employees with Columbia University. Effective: 2019-2022 Documents are available in alternative formats upon request. 1199 Clerical CBA 2019 2022.pdf483.37 KB 1199 Cafeteria CBA 2019-2022.pdf466.23 KB