Circular: Standardised Billing & Invoice Format for Legal Services

Circular No. 2025/CIR/001

Date: 03 June 2026

Subject: Standardisation of Billing & Invoice Format for Legal Services

This circular is issued to all advocates, associates, and paralegal staff associated with Nyaya Siddhanta regarding the standardisation of billing practices.

Effective 1 September 2025, all invoices raised for legal services must adhere to the following standard format:

Mandatory Invoice Fields

• Unique invoice number (format: NS/YYYY/XXXXX)
• Date of invoice and period of service
• Client name, matter reference number and case title
• Itemised description of services with hourly rates and hours billed
• Disbursements and out-of-pocket expenses (with supporting receipts)
• GST registration number and tax breakdown (CGST + SGST or IGST)
• Payment terms and due date
• Bank account details for NEFT/RTGS transfer

Submission Timeline

Invoices must be submitted to the Accounts Department within 5 working days from the end of each month. Late submissions may result in delayed processing.

The standard invoice template is available for download from the Staff Portal → Resources → Invoicing.

Issued by:
Finance & Accounts, Nyaya Siddhanta