Assessment data

German: Bescheiddatenrückübermittlung (BDÜ)

Data type: ElsterErklaerungDaten (v19), PostfachAnfrage with ESB (v31)

List, retrieve and confirm retrieval of available tax assessment data documents (legally non-binding) for personal income tax declarations

Endpoints

List

/v2/assessment-data/list

Retrieve (single)

/v2/assessment-data/retrieve/single

Confirm (single)

/v2/assessment-data/confirm/single

circle-info

Examples in Postman (Retrieval > Assessment Data).

Documents content

Retrieved and decoded documents are fixed length text files with a fixed structure and coded information.

Data structure is documented in chapter 15.4 of ERiC-Entwicklerhandbuch.pdf

Codes are explained in the following document.

Versions

2026-01

2025-04

Last updated