CircolariScadenze / adempimentiMemorandum N. 16 Feb. 11, 2026 High threshold for submitting INTRA-2 bis on a monthly basis10 February 2026
CircolariScadenze / adempimentiMemorandum N. 11 Jan. 29, 2026 Certificazione Unica 202629 January 2026
CircolariScadenze / adempimentiMemorandum N. 10 Jan. 28, 2026 Transition 4.0 investment completion notifications (tax credit 2025)28 January 2026
CircolariScadenze / adempimentiMemorandum N. 7 Jan. 22, 2026 Intrastat forms: deadlines and frequency of submission22 January 2026
CircolariScadenze / adempimentiMemorandum N. 6 Jan. 21. 2026 Deadline for annual retention of accounting books and records21 January 2026
CircolariScadenze / adempimentiMemorandum N. 5 Jan. 19, 2026 2026 VAT data request – annual VAT return for the 2025 tax period19 January 2026
CircolariScadenze / adempimentiMemorandum N. 4 Jan. 16, 2026 Advertising bonus and submission of the 2025 investment declaration16 January 2026
CircolariScadenze / adempimentiMemorandum N. 52 Nov. 4, 2025 Deadline for submission of periodic vat settlements4 November 2025