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Practical guides on electricity excise, AD-1 declarations and ADM compliance.

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Guides· 6 min.

Italy's Semi-Annual AD-1 Declaration 2026: Deadlines, Monthly Payments and Filing Guide

From 2026 the AD-1 declaration is semi-annual: H1 (January-June) by 30 September, H2 (July-December) by 31 March. Guide to new deadlines, monthly down-payments and transitional rules under D.Lgs. 43/2025.

Regulation· 5 min.

AD-1 Declaration Deadlines 2026 in Italy: Semi-Annual Calendar, Down-Payments and Settlement

All AD-1 deadlines for 2026: H1 (January-June) by 30 September, H2 (July-December) by 31 March 2027, monthly down-payments by the 16th of each following month. Complete calendar with D.Lgs. 43/2025 and DM 10 March 2026 references.