This document is a guide for the year-end payroll processing for 2025. It outlines critical deadlines and requirements for submitting payrolls and adjustments, emphasizing that the last day for submissions is December 29, 2025, after which additional fees will apply. The guide details the process for previewing Form W-2s and 1099s, which can be verified for accuracy before the end of the year. It also specifies the billing process for these forms, which will occur in January 2026. Additionally, it includes a year-end checklist that covers essential tasks such as confirming employee data, tax items, and health care costs under the Affordable Care Act. The document emphasizes the importance of completing the online Year-End Checklist and provides instructions for ensuring accurate payroll processing. It also highlights the need for timely approval of forms to avoid auto-processing and additional fees.