Invoice Number Generator
Generate compliant invoice numbers for Sri Lanka tax regulations
Invoice Number Generation
Invoice Format Details
Year: YY (Last 2 digits of year, e.g., 26 for 2026)
Month: MMM (3-letter month: JAN, FEB, MAR, etc.)
Company ID: _VISCO_ (Constant value)
Sequential Number: XXXX (4 digits, resets to 0001 each month)
Format: YYMMM_VISCO_XXXX
Example: 26FEB_VISCO_0001
Current Format
Company ID Required
Please update the Company ID in the business details form before generating invoice numbers.
Generated Invoice Number
26FEB_VISCO_0001