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MTP Withholding Specifications
2026 MTP Quarterly Specifications (PDF)
2026 MTP Amended Quarterly Specifications (PDF)
2025 MTP Quarterly Specifications (PDF)
2025 MTP Amended Quarterly Specifications (PDF)
1099/W-2G File Upload Specifications
Final 2025 1099/W-2G Specifications (PDF)
2024 1099/W-2G Specifications (PDF)
W-2 File Upload Specifications
2025 W-2 UPDATED Final Specifications (PDF)
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