1199 SEIU Cafeteria Clerical Contract August 17, 2023 1199 SEIU, AFL-CIO, Union Contract for Cafeteria and Clerical Employees with Columbia University. Effective: 2022-2025 Documents are available in alternative formats upon request. 1199_Cafeteria_CBA_2022-2025.pdf450.74 KB 1199_Clerical_CBA_2022_2025.pdf521.09 KB