Unpaid invoice demand letter Format
For a supplier or business collecting payment for goods or services already supplied.
When to Send, How It Helps & Legal Dispatch Process
1. When to Send This & How It Helps
Send this demand when a commercial client, buyer, or business partner fails to clear verified B2B invoices past the agreed credit period (typically 15 to 45 days) despite routine reminders. It is used to demand immediate payment of the principal invoice amount along with contractual or statutory interest for commercial delays. Supported by the Indian Contract Act, 1872 and Sections 15–18 of the MSMED Act, 2006 (for registered MSMEs claiming compound interest at 3x bank rate), it serves as formal pre-institution evidence required prior to filing commercial recovery suits or initiating mediation.
2. Process to Send (Email, WhatsApp & Speed Post)
You may share an advance copy via email or WhatsApp for immediate notification. However, India Post Speed Post is the most valid, legally robust, and statutorily recognized form of communication of notice in India. Dispatched through India Post, it creates an official 13-digit tracking record and establishes a statutory presumption of valid service under Section 27 of the General Clauses Act, 1897 upon delivery or tender.
3. Signing & Aadhaar E-Signature Validity
The document must be signed by the sender before dispatch. While physical wet-ink signatures on printed copies remain customary, electronic signatures are legally valid under the Information Technology Act, 2000. In India, Aadhaar e-signature (OTP-based) is the most valid, secure, and statutorily recognized form of electronic signature, carrying equal legal standing to a physical signature without needing printing or scanning.
Download Editable Word Template
Purchase order, invoice-wise ledger, delivery or acceptance records, due dates and credits.
Invoices, delivery acknowledgements, account statement and reminders.
Important Watchouts Before Sending
Check contractual dispute resolution and any special recovery regime separately. Do not add MSME interest or a summary-suit threat automatically.
How to Send This Notice
You can post this yourself via India Post or let Chitthiwale handle printing and counter dispatch online.
- Fill in the fields or use the AI interview prompt in the Word template.
- Print on 80 GSM A4 bond paper and sign each page with wet ink.
- Package into a secure envelope; write sender & recipient names with 6-digit PIN.
- Visit an India Post counter and request Speed Post with tracking.
- Store the paper counter receipt safely for your records.
- Upload your finalized notice PDF from your phone or laptop.
- Optionally e-sign via Aadhaar OTP (IT Act 2000 compliant).
- We commercial laser-print and pack in tamper-evident security envelopes.
- Lodged with India Post Speed Post on the next working day.
- Official 13-digit postal tracking consignment number linked to your dashboard.
- Permanent digital record and delivery tracking saved in your account.
Frequently Asked Questions
Key legal requirements, statutory timeframes, and dispatch rules for this notice.
Helpful Guides on Indian Notice Serving & Dispatch
Proof of Service of Legal Notice in India
Understand presumption of service under Section 27 General Clauses Act and Section 114 Evidence Act.
Speed Post vs Registered Post vs Courier
Which postal dispatch method holds the highest judicial weight in Indian courts?
How to Send a Legal Notice Online in India
Step-by-step guide to sending legal notices without visiting a physical post office.
What to Do When India Post Tracking Expires
How to preserve tracking reports before India Post purges them from the 6-month public database.
Important Legal Disclaimer
These document templates are only samples provided for drafting guidance and educational reference. Chitthiwale is an online printing and India Post dispatch service and does not provide legal advice or legal representation. We recommend having these templates checked by professional lawyers before sending them out.