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#tax-deadlines

Tax Deadlines

Important tax filing deadlines and compliance dates to remember

Switching Payroll Providers Before January 1: The Migration, Tax-Deposit, and W-2 Checklist to Start in October

A January 1 payroll cutover is the cleanest one because a single provider owns all four Forms 941, the Form 940, and every W-2 — but it takes roughly twelve weeks of prep. This checklist covers the October-to-January timeline, the year-to-date and fringe-benefit data that must migrate, Form 8655 authorization and revocation, and the five handoff mistakes that generate IRS notices.

Contributed Too Much to Your 401(k)? How to Fix a 402(g) Excess Deferral Before April 15

For 2026 the section 402(g) elective deferral limit is $24,500 per person ($32,500 with the age-50 catch-up, $35,750 at ages 60 to 63), aggregated across every 401(k), 403(b), SIMPLE IRA and SARSEP you contribute to in the year. An excess not refunded with earnings by April 15 is taxed twice, once as wages in the contribution year and again on distribution. Steps include totaling W-2 Box 12 deferrals, notifying the plan in writing, reading 1099-R codes P and 8, and capping payroll after a mid-year job change.

Switzerland Now Lets Small Businesses File VAT Once a Year: Should You Switch?

Since January 2025, Swiss businesses with taxable turnover up to CHF 5,005,000 and three clean filing periods can elect one annual VAT return through the SFTA ePortal instead of quarterly returns, but still pay advance installments on May 30, August 30 and November 30. Here is who qualifies, why the end-of-February election deadline matters, when quarterly filing is the better cash-flow choice, and the monthly bookkeeping habits that make annual filing safe.