P11D Deadline 2025/26 — Dates, Penalties & How to Submit to HMRC
P11D KEY DATES FOR 2025/26 TAX YEAR Deadline to submit P11D forms to HMRC: 6 July 2026 Deadline to give P11D copies to employees: 6 July 2026 Deadline to pay Class 1A NIC: 19 July 2026 (post), 22 July 2026 (electronic) P11D(b) submission deadline: 6 July 2026 What Is a P11D Form? A P11D is […]