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Interactive product concept — all company details, customer stories, metrics and workspace data are illustrative.
Taxexa Rules

Country-specific VAT logic, automated.

Explore how transaction facts could resolve into an explainable VAT treatment—with the authority source, effective date and review state kept beside the answer.

Rule Engine
Seller · Poland
Customer · Germany
Treatment · 0%
Source · Article 138
Features

One rule engine. Every scenario.

Country and scenario coverage

A concept for effective-dated treatment across supported European transaction types.

Reverse charge & OSS/IOSS

Illustrative decision paths show how cross-border facts could route to different treatments.

Deterministic engine

Every rule decision explainable and auditable — no black boxes.

Integration-ready concept

The imagined API surface connects rule decisions to ERP, billing and e-commerce workflows.

Illustrative rule trace

A conclusion with its logic attached.

Taxexa Rules is imagined as an effective-dated decision engine: every answer preserves the transaction facts, source and reasoning that produced it.

Fictional data · interface concept
Transaction TX-2048
Poland → Germany · B2B goods
Sample
Seller
Poland
Customer
Germany · B2B
Supply
Goods
Movement
PL → DE
Result
0% intra-Community supply
Reverse charge wording required · evidence review triggered
EU VAT Directive · Article 138
From problem to next action

The complete fictional workflow

Transaction TX-2048 · illustrative
1
Problem

Treatment depends on buyer status, movement and retained proof.

2
Inputs

Seller, buyer, supply type, route and transaction date.

3
Decision

0% intra-Community supply proposed with conditions.

4
Next

Confirm destination evidence before closing the review.

Jurisdiction
EU · Poland
Effective
Illustrative · 8 Oct 2025
Reviewed
Illustrative · 8 Oct 2025
State
Human review required

What the product concept is designed to make visible

Effective dates

Reproduce the rule that applied on the transaction date.

Source trail

Keep the authority reference beside the result.

Review states

Escalate incomplete or contradictory inputs.

Change history

Show what changed, when and why.

Explore how one transaction becomes a defensible decision.

Walk through the fictional product workspace, then preview how a future Taxexa demo request could work.