Accuracy and transparency

A verifiable French tax methodology

Every calculation is backed by official sources, automated checks and a dated tax version.

2026 French tax version · last reviewed July 2026

See the full methodology
  1. Traceable01

    Official tax sources

    French tax rules and official forms (2042, 3916, 2047, 2074-CMV) documented for the current tax year.

    Every amount can be traced back to the transaction and the rule applied.

  2. Checked02

    Consistency checks

    Missing data, duplicates, currencies and discrepancies are detected before boxes are generated.

    Automated safeguards reduce the risk of omissions or FX mistakes.

  3. Up to date03

    Dated tax version

    The methodology is reviewed every year. Each version states the tax year it covers.

    Tax changes are built into a dated version, reviewed every year.