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Updated January 04, 2026

Converting Challan to Invoice

Converting a Delivery Challan to a Sales Invoice in EquiBillBook is a straightforward process that allows you to bill customers after goods have been delivered. This ensures accurate invoicing based on actual deliveries.

When to Convert Challan to Invoice

Convert a delivery challan to an invoice when:

  • Goods have been successfully delivered to the customer
  • You're ready to bill the customer for the delivered items
  • You want to create an invoice based on actual delivery quantities
  • The delivery is complete and confirmed

Prerequisites for Conversion

Before converting a challan to an invoice, ensure:

  • The delivery challan status is "Delivered" or ready for invoicing
  • All delivery details are accurate and complete
  • Item quantities match what was actually delivered
  • Customer information is correct
  • Tax and pricing information is properly configured

Step-by-Step Conversion Process

Step 1: Access the Delivery Challan

To convert a challan to an invoice:

  1. Navigate to SalesDelivery ChallanList
  2. Find and open the delivery challan you want to convert
  3. Click on the challan to view its details

Step 2: Review Challan Details

Before converting, review the challan:

  • Verify all items and quantities are correct
  • Check delivery status and date
  • Confirm customer and shipping details
  • Review any notes or special instructions

Step 3: Initiate Conversion

Start the conversion process:

  1. On the challan details page, click "Convert to Invoice" button
  2. The system will open the invoice creation form
  3. All challan details will be automatically populated in the invoice

Step 4: Review Invoice Details

The invoice will be pre-filled with challan information:

  • Customer: Automatically selected from challan
  • Items: All items from challan with quantities
  • Pricing: Prices from challan or item master
  • Taxes: Tax calculations based on challan settings
  • Shipping Address: Delivery address from challan
  • Reference: Challan number linked to the invoice

Step 5: Modify Invoice (If Needed)

You can make adjustments to the invoice:

  • Modify item quantities if needed
  • Adjust prices or apply discounts
  • Update tax calculations
  • Add or remove items
  • Modify payment terms
  • Add additional charges or notes

Step 6: Finalize Invoice

Complete the invoice creation:

  1. Review all invoice details
  2. Check the invoice total and calculations
  3. Verify customer and billing information
  4. Click "Save Invoice" or "Create Invoice"
  5. The invoice will be created and linked to the challan

Conversion Features

Automatic Data Transfer

When converting, the following data is automatically transferred:

  • Customer information
  • All items with quantities
  • Pricing and discounts
  • Tax calculations
  • Shipping and delivery details
  • Payment terms
  • Notes and special instructions

Challan-Invoice Linking

After conversion:

  • The invoice is automatically linked to the challan
  • You can view the challan from the invoice details
  • You can view the invoice from the challan details
  • This maintains a clear audit trail

Stock Impact

During conversion:

  • If stock wasn't reduced when challan was created, it will be reduced when invoice is created
  • Stock adjustments are made based on your inventory settings
  • Inventory records are updated to reflect the sale

Partial Conversion

If you need to convert only part of a challan:

  • You can modify quantities in the invoice before saving
  • Remaining quantities can be converted later
  • Multiple invoices can be created from a single challan if needed
  • The system tracks what has been invoiced

Multiple Challans to One Invoice

You can also combine multiple challans into a single invoice:

  • Create a new invoice manually
  • Add items from multiple challans
  • Link the challans to the invoice
  • This is useful for consolidated billing

Conversion Best Practices

  • Convert challans to invoices promptly after delivery confirmation
  • Always review invoice details before finalizing
  • Verify quantities match actual deliveries
  • Ensure pricing is accurate and up-to-date
  • Check tax calculations for compliance
  • Maintain the link between challan and invoice for audit purposes
  • Send invoices to customers promptly after creation

After Conversion

Once the invoice is created:

  • The challan status may update to "Invoiced"
  • You can print or email the invoice to the customer
  • Payment can be recorded against the invoice
  • Reports will show the invoice linked to the challan

Reversing Conversion

If you need to undo a conversion:

  • You can delete the invoice if it hasn't been paid
  • The challan will revert to its previous status
  • Stock adjustments will be reversed
  • You can convert again after making corrections

Troubleshooting

Can't find the "Convert to Invoice" button?

  • Check if the challan status allows conversion
  • Verify you have permission to create invoices
  • Ensure the challan is not already converted
  • Check if the Sales Invoice module is activated

Invoice details are incorrect after conversion?

  • Review the original challan details
  • Check if challan was modified after creation
  • Verify item master data is up-to-date
  • You can edit the invoice before finalizing

Stock is not updating correctly?

  • Check your inventory settings
  • Verify stock tracking is enabled for items
  • Review stock impact settings for challans and invoices
  • Check if items have sufficient stock

Converting delivery challans to invoices ensures accurate billing based on actual deliveries and maintains proper documentation throughout your sales process!

Tags:
Sales Invoice