2025 Accountant Year-End Reference Center

Year-End Resources

The Accountant Year-End Reference Center is full of helpful resources and tools.

2025 Year-End Checklist

Verify these items with your Paychex clients before the end of the year. Our year-end checklist includes key steps to take concerning: • Information to be Reported • Information to be Verified • Additional Reminders

View Checklist

2026 Taxbrief

This section contains 2026 payroll tax deposit rules, regulations, and deadlines.

View Taxbrief

Accountant Year-End Guide

Get details on the latest forms and laws, plus key dates and deadlines, notices and checklists that impact year-end planning.

2025 Paychex Year-End Reference Guide for Accountants

View Year-End Reference Guide

Year-End Checklist

Accountant Year-End Guide

Year-End Checklist

2026 Taxbrief®

2023 Year-End Checklist single page document

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Cover of the 2023 Paychex Year-End Reference Guide for Accountants

2026 Taxbrief®

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Year-End and Tax Filing Resources

Refer to our Year-End and Tax Filing Resources site for all details regarding client quarter-end and year-end resources, including specific instructions for various tasks your Paychex Flex® clients can complete. Bookmark the site and refer to it often – we’ll update the site regularly as we receive more information from federal and state tax agencies.

Spanish version coming soon