Resources
Resource hub
Guides, webinars, articles, and events — all in one place.
Blog
Perfecting Quarter-End Payroll Tax Reporting (Form 941)
Get clear on IRS Form 941 — what it reports, filing deadlines, and how the 2026 form updates affect your payroll tax reporting and compliance process. Sep 2026 Read more
Blog
How to Make the Most of National Payroll Week
National Payroll Week returns September 7–11, 2026, honoring payroll professionals nationwide. Here's how to recognize your team and mark the week. Aug 2026 Read more
Blog
What IRS Letter 226-J means for your ACA compliance records
IRS Letter 226-J proposes an ACA penalty using your own Forms 1094-C and 1095-C. Here is the documentation that changes how your response turns out. Aug 2026 Read more
Blog
Product Update: Tax Engine Fixes, Pay Run Assistant Alerts & MA PFML Compliance Changes
Tax Engine jurisdiction updates (OR, PA, OH, AK, KY, GA), Pay Run Assistant new error visibility, Adjustment Run employee step changes, and MA PFML separate Family/Medical contribution tracking. Aug 2026 Read more
Compliance Corner
The 4 ERISA guardrails on Trump Account contributions — what HR needs to know
DOL's June 2026 guidance sets four conditions for employer Trump account contributions to avoid ERISA plan status. Here's what HR directors need to know. Aug 2026 Read more
Blog
The IRS gave Trump Account employer contributions a W-2 code. Here's what that means for payroll.
The IRS finalized a W-2 reporting code for Trump Account employer contributions. Here's what payroll teams need to know about Box 12, Code TA, before year-end. Aug 2026 Read more
Compliance Corner
Massachusetts PFML Contribution Rate Changes for 2027
Starting January 1, 2027, Massachusetts shifts the employer PFML contribution from medical leave to family leave. Here's what changes. Aug 2026 Read more
Compliance Corner
NYC Expanded Sick and Safe Time (Unpaid) — Compliance Update
NYC's Protected Time Off Law added new rules on July 23, 2026, covering pay stubs, recordkeeping, and what happens when a worker leaves their job for good. Aug 2026 Read more
Guides & tools
The Workforce Mobility Shift — First-Party Payroll Research Report
Greenshades analysis of 153M+ paychecks shows multi-state payroll exposure rose 89% from 2018 to 2025 — even as employer filing footprints shrank. Industry and corridor-level data included. Jul 2026 Get the guide
Webinar
Live
Mid-year 2026 payroll compliance webinar: watch the recording
Watch the recording of Greenshades' mid-year 2026 payroll compliance webinar, plus links to the state withholding, paid leave, and IRS updates it covers. Jul29 Watch Register
Blog
5 Reasons to Conduct a Payroll Health Check Today
A working payroll health check for any time of year — covering FICA tracking, 941 reconciliation, blended overtime, state tax registrations, paid leave accruals, and benefit deductions. Jul 2026 Read more
Compliance Corner
Minnesota ESST administrative rules took effect July 6 — here's what changed
Minnesota's new ESST administrative rules clarify accrual timing, the 80-hour threshold, indeterminate shifts, and more. Here's what employers need to know. Jul 2026 Read more
Compliance Corner
IRS automatic exemption from penalty replaces First Time Abate starting in 2026
The IRS is replacing First Time Abate with a new automatic penalty relief program. Here's what payroll teams need to know about AEP eligibility and timing. Jul 2026 Read moreMore for you