Document Type Reference Section 3 Forms Home Resources S3C-1D Targeted Sect. 3 Worker Employer Cert REV. 7.1.2021 S3C-1D Targeted Sect. 3 Worker Employer Cert REV. 7.1.2021 Document Type Handbooks S3C-1D Targeted Section 3 Worker Employer Cert REV. 7.1.2021.pdf