# FPA 39a — Unofficial app for Article 39a

> Unofficial app for Article 39a (iPhone/iPad app by TSETSONIS DIMITRIOS KAI SIA E.E..)

- Source: https://appshunter.io/ios/app/fpa-39a/id6787146672 (this page in markdown: same URL + `.md`)
- Developer: [TSETSONIS DIMITRIOS KAI SIA E.E.](https://appshunter.io/developer/6787146674)
- Category: Finance, Business
- Price: Free
- Age rating: 4+
- Requires: iOS 18.0 · 28 MB
- Languages: Greek
- Released: 2026-07-08
- Data updated: 2026-07-24
- User reviews in markdown: https://appshunter.io/ios/app/fpa-39a/id6787146672/reviews.md

## What is FPA 39a?

UNOFFICIAL APP — Not affiliated with, nor approved by AADE (the Greek
Independent Authority for Public Revenue). It does not represent any government
or public authority.

Fpa 39a is an independent, unofficial client for AADE's online service
"Article 39a par. 5 of the VAT Code" — the VAT reverse charge mechanism.

You sign in with your special TAXISnet web service credentials and manage your
tasks as a Buyer, Supplier, or Representative.

FEATURES
• Buyers: registration/update, details, history
• Representatives: management, history, one-time codes per representative
• One-time codes (OTP): creation, search, reservation, deletion
• Supplier: VAT check, representative verification, transaction
  registration/modification, history with filters

SECURITY
• Your login credentials are stored encrypted on your device
• Optional lock with biometrics (fingerprint/face) or PIN
• Communication exclusively over a secure connection (HTTPS) with AADE

Note: This is an independent, unofficial application. The special TAXISnet
web service credentials are required (these are NOT your regular TAXISnet
login credentials).

OFFICIAL AADE SOURCES
• Article 39a par. 5 service:
  https://www.aade.gr/en/service-article-39a-par5-circular-11502992017
• Special web-service credentials management (myAADE):
  https://www1.aade.gr/sgsisapps/tokenservices/protected/displayConsole.htm

DISCLAIMER: Unofficial application. Not affiliated with, nor approved by AADE.
It is not a product or service of any government/public authority.


## Version history (last 4 releases)

### 1.2.1 — 2026-07-14

- Stability improvements
- Fixes to the companion Apple Watch / Wear OS app
- General performance improvements

### 1.2.0 — 2026-07-10

• New Apple Watch companion app: fetch, reserve, and create representative one-time-use codes right from your wrist — no need to open your phone.
• Various stability improvements.

### 1.1.0 — 2026-07-09

- Fixed a representative verification issue during transaction registration (ID/passport number matching against the TAXISnet registry)
- The "OTP required" choice is now mandatory when adding or updating a representative, per the latest AADE specification
- Minor stability improvements

### 1.0 — 2026-07-08

No release notes.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-24.*