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Invoice University Lecturer in Thailand Bangkok –Free Word Template Download with AI

University Lecturer Professional Services — Thailand Bangkok

OFFICIAL INVOICE DOCUMENT

Invoice Details

Invoice No.: UBK-2025-00472

Invoice Date: 15 June 2025

Due Date: 30 June 2025

Payment Terms: Net 15 Days

Currency: Thai Baht (THB)

Issued By (University Lecturer)

Dr. Somchai Prasertwong

Senior University Lecturer, Faculty of Engineering

Chulalongkorn University

1034 Phayathai Road, Pathum Wan

Bangkok 10330, Thailand

Tel: +66-2-218-7000

Email: [email protected]

Tax ID (Thai): 0990101234567

Billed To (Client / Institution)

Thailand Bangkok International Research Consortium

Attn: Dr. Ananya Rattanakul, Procurement Director

88 Sukhumvit Road, Khlong Toei

Bangkok 10110, Thailand

Tel: +66-2-250-4400

Email: [email protected]

VAT Registration No.: 0105556789012

Ref Description of University Lecturer Services Date Performed Hours Rate (THB/hr) Amount (THB)
01 Advanced Thermodynamics Lecture Delivery — Undergraduate Course ENG 301, Semester 2, 2025. University Lecturer prepared and delivered 12 weekly lectures including laboratory demonstrations at the Bangkok campus. 01 Jan – 28 Apr 2025 96 1,850.00 177,600.00
02 Graduate Research Supervision — University Lecturer supervised 4 PhD candidates in the field of Renewable Energy Systems. Includes weekly one-on-one meetings, thesis review, and guidance for journal publications. 01 Jan – 30 May 2025 120 2,400.00 288,000.00
03 Industry-Academia Workshop Facilitation — University Lecturer designed and facilitated a 3-day professional development workshop on Sustainable Engineering Practices for 45 industry professionals in Bangkok. 12 – 14 Mar 2025 36 3,200.00 115,200.00
04 Curriculum Development & Syllabus Design — University Lecturer developed a new 16-week graduate course module on Computational Fluid Dynamics for the Thailand Bangkok International Research Consortium partnership program. 01 Feb – 28 Mar 2025 48 2,100.00 100,800.00
05 Examination & Assessment Design — University Lecturer prepared mid-semester and final examination papers, practical assessment rubrics, and grading criteria for 3 undergraduate courses. 15 Apr – 30 May 2025 24 1,600.00 38,400.00
06 Conference Presentation & Keynote Address — University Lecturer delivered a keynote speech at the 12th Annual Thailand Bangkok International Engineering Conference held at the Queen Sirikit National Convention Centre. 08 May 2025 6 4,500.00 27,000.00
07 Administrative & Advisory Services — University Lecturer provided ongoing academic advisory support, committee participation, and administrative coordination for the joint Thailand Bangkok research initiative. 01 Jan – 30 May 2025 40 1,200.00 48,000.00
Subtotal 795,000.00 THB
VAT (7% — Thai Revenue Department) 55,650.00 THB
Withholding Tax (3% — Section 69) (23,850.00) THB
Grand Total Due 826,800.00 THB

Payment Instructions

Bank: Siam Commercial Bank (SCB)

Branch: Pathum Wan, Bangkok, Thailand

Account Name: Dr. Somchai Prasertwong

Account No.: 012-3-45678-9

SWIFT Code: SIBLTHB0XXX

Reference: Please cite Invoice No. UBK-2025-00472 in all remittances.

Payment Method: Bank Transfer (TFT) or Cheque payable to the University Lecturer named above.

Important Notes & Terms

1. This Invoice is issued in accordance with the Service Agreement dated 15 December 2024 between the University Lecturer and the Thailand Bangkok International Research Consortium.

2. All services rendered by the University Lecturer were performed at the designated locations within Bangkok, Thailand, unless otherwise specified in the line-item descriptions above.

3. Payment is due within fifteen (15) calendar days from the Invoice date. Late payments shall incur a penalty interest of 1.5% per month as stipulated under Thai commercial law.

4. The University Lecturer reserves the right to issue a revised Invoice should any correction to hours, rates, or service descriptions be identified within thirty (30) days of the original Invoice date.

5. This Invoice is subject to the Thai Revenue Department regulations. A VAT-registered receipt will be provided upon full settlement of the Grand Total Due.

6. All intellectual property developed during the scope of this engagement shall be governed by the separate Intellectual Property Addendum attached to the master Service Agreement.

7. For any disputes arising from this Invoice, the parties agree to resolve matters through mediation in Bangkok, Thailand, in accordance with the Thai Arbitration Act B.E. 2545 (2002).

Dr. Somchai Prasertwong — University Lecturer, Faculty of Engineering, Chulalongkorn University, Bangkok, Thailand

This Invoice was generated electronically on 15 June 2025. No physical signature is required for validity under the Thai Electronic Transactions Act B.E. 2544 (2001).

Thank you for your business. We appreciate the continued partnership between the University Lecturer and the Thailand Bangkok International Research Consortium.

© 2025 University Lecturer Professional Services — Bangkok, Thailand. All rights reserved. Invoice UBK-2025-00472.

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