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Advanced Stamp Duty

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Automatic calculation of stamp duties on the total amount (tax incl.), based on the Dolibarr dictionary configuration. Two modes are available: standard for any company, or Algeria-specific compliant with the 2025 Finance Act (minimum thresholds, minimum payable amount, tiered rates, rounding up to the nearest unit, automatic rate detection, etc.)

244.00 €
Excl. tax

Previous Next
  • Author Abdeldjebar SEBKHI
  • Module version 1.0.0
  • Release date 02/23/2026
  • Access to download and updates 1 year
  • Compatibility Dolibarr V15 - V22   -   PHP5.6 - 8.2
  • Last update 02/24/2026 12:09 PM

More info...

MAIN FEATURES

Two calculation modes - The module offers two distinct modes to suit all needs:

Mode 1: For companies applying stamp duty on the total amount (tax incl.) plus a maximum threshold option to exclude from calculation.

  • Configure your own rates in the Dolibarr dictionary.
  • On each invoice, select the rate to apply.
  • The module calculates: Stamp Duty = Total Amount (tax incl.) × Selected Rate.
  • Supported rate types: Percentage and fixed amount.
  • Threshold management: Configure a maximum total amount (e.g., 100,000). Beyond this threshold, the stamp duty is not applied.
  • Automatic warning message for exceeded thresholds.

Mode 2: For Algerian companies subject to the official tax scale.

  • The module automatically applies the Algerian regulatory scale.
  • The rate is determined by the total amount (tax incl.) bracket.
  • Calculation compliant with Algeria tax legislation.
  • Automatic dictionary verification.
  • The module checks for the presence of the 3 regulatory rates (1%, 1.5%, 2%) in the Dolibarr dictionary.
  • The module offers 1-click automatic creation of the 3 regulatory rates.
  • The module blocks calculation if a rate is missing (error protection).
Algeria Regulatory Scale:
Total Amount (tax incl.) Rate Special Rule
≤ 300 DZD Exempted No stamp duty
301 to 30,000 DZD 1 % Minimum 5 DZD
30,001 to 100,000 DZD 1.5 %  
> 100,000 DZD 2 %  

 

More details in the documentation https://bit.ly/4axXPyj

 




If you think this module is a fork of another one (published after the first one) or violates some terms or conditions of use (for users or vendors), you can make a report at dolistore@dolibarr.org