Invoice Mathematician in Italy Naples –Free Word Template Download with AI
Independent Mathematician & Mathematical Consultant
Via Toledo 187, 80134 Naples (Napoli), Italy
P.IVA (VAT Number): IT02847561097
Partita IVA: 02847561097
Chamber of Commerce: Napoli, REA 847561
Email: [email protected]
Phone: +39 081 415 2237
Bill From (Mathematician)
Dr. Alessandro Ferrante, Ph.D.
Independent Mathematician
Via Toledo 187
80134 Naples (Napoli)
Campania, Italy
P.IVA: IT02847561097
Bill To (Client)
Studio Ingegneria Marittima S.r.l.
Attn: Ing. Maria Costanzo
Via Argine 42
80133 Naples (Napoli)
Campania, Italy
C.F./P.IVA: IT03912847561
| # | Description of Mathematical Services | Date | Hours | Rate (EUR) | Amount (EUR) |
|---|---|---|---|---|---|
| 1 | Advanced numerical analysis and computational modelling for maritime structural engineering. Development of finite element mathematical frameworks for hull stress analysis, performed at the consultant's office in Naples, Italy. | 02 Jun 2025 | 12 | € 95.00 | € 1,140.00 |
| 2 | Application of partial differential equations and spectral methods for fluid dynamics simulation. Mathematical derivation and validation of Navier-Stokes boundary conditions for port infrastructure design, Naples, Italy. | 05 Jun 2025 | 16 | € 95.00 | € 1,520.00 |
| 3 | Statistical modelling and probabilistic risk assessment using Bayesian inference. Mathematical formulation of uncertainty quantification for coastal erosion prediction models, conducted in Naples, Campania, Italy. | 09 Jun 2025 | 10 | € 95.00 | € 950.00 |
| 4 | Optimization theory and linear programming for logistics route planning. Mathematical proof of convergence and algorithm design for multi-objective optimization of shipping schedules in the Bay of Naples, Italy. | 11 Jun 2025 | 8 | € 95.00 | € 760.00 |
| 5 | Preparation of comprehensive mathematical technical report (48 pages) documenting all derivations, proofs, and computational results. Final review meeting with engineering team at client's Naples office, Italy. | 13 Jun 2025 | 6 | € 95.00 | € 570.00 |
| Subtotal (before VAT) | € 4,940.00 |
| VAT / IVA (22% - Italian standard rate) | € 1,086.80 |
| TOTAL DUE (EUR) | € 6,026.80 |
Payment Terms & Bank Details
Payment Method: Bank Transfer (Bonifico Bancario)
Bank: Banca Intesa Sanpaolo S.p.A., Naples Branch (Filiale di Napoli)
IBAN: IT60 X030 6909 6061 0100 0123 456
BIC/SWIFT: BCITITMM
Payment Reference: NAP-2025-0047 / MAT-CONSULT-2025-09
Due Date: 14 July 2025 (30 days from invoice date)
Penalty for Late Payment: As per Italian Legislative Decree 231/2002, a default interest of 8% per annum above the European Central Bank reference rate shall apply to overdue amounts, plus a fixed compensation of € 40.00.
Legal Notice: This invoice is issued in accordance with Italian tax regulations (D.P.R. 633/1972, Article 21) and the provisions of the Italian Civil Code (Codice Civile) governing professional services. The services described herein were rendered by an independent Mathematician operating under the Partita IVA regime in Naples, Campania, Italy. All mathematical work product, including but not limited to derivations, proofs, algorithms, and computational models, remains the intellectual property of the Mathematician unless otherwise agreed in writing.
Governing Law: This invoice and the underlying service agreement are governed by the laws of the Italian Republic. Any disputes arising from this invoice shall be subject to the exclusive jurisdiction of the Tribunale di Napoli (Court of Naples), Italy.
Electronic Invoice (Fattura Elettronica): This document has been registered in the Sistema di Interscambio (SdI) of the Agenzia delle Entrate (Italian Revenue Agency) under the electronic invoicing system mandated for business-to-business transactions in Italy. The corresponding XML file is available upon request.
Withholding Tax (Ritenuta d'acconto): No withholding tax has been applied on this invoice. The client is reminded of their obligation to apply the 20% withholding tax on professional services as per Article 25 of D.P.R. 600/1973, if applicable under the terms of the engagement.
Issued in Naples (Napoli), Italy
On the 14th day of June, 2025
______________________________
Dr. Alessandro Ferrante, Ph.D.
Mathematician & Consultant
Digital Signature: Valid
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