dubbl
Modules

Tax Rates

Configure tax rates for invoices and bills.

Managing Tax Rates

Navigate to Settings → Tax Rates to manage your organization's tax rates.

Tax Rate Fields

FieldDescription
NameDescriptive name (e.g., "GST 10%")
RateRate in basis points (1000 = 10.00%)
TypeSales, Purchase, or Both
DefaultWhether this is the default rate

Rate Storage

Rates are stored as basis points (integer) for precision:

DisplayStored Value
10.00%1000
5.00%500
20.00%2000
0.00%0

Tax Types

  • Sales — Applied to invoices and quotes
  • Purchase — Applied to bills and purchase orders
  • Both — Available for both sales and purchases

Tax in Transactions

When a tax rate is applied to a line item:

  1. Tax amount is calculated: lineAmount × rate / 10000
  2. The tax is tracked separately in the transaction totals
  3. Journal entries debit/credit the appropriate tax accounts:
    • Sales tax → Tax Payable (2200)
    • Purchase tax → Input Tax Credits (1500)

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