ESt

Personal income tax declaration (German: Einkommensteuererklärung)

Endpoint

/v2/est

Examples in Postman (Filings > ESt).

List of fields, values and their context

The structure of filingValues is based on the ELSTER XML Documentation.

The ELSTER field code, its description, context (in the XML structure) and validation rules can be found in these Excel files:

973KB

Jahresdokumentation_10_2025.ods

Open

ERiC 43.4

931KB

Jahresdokumentation_10_2024.ods

Open

ERiC 43.4

1MB

Jahresdokumentation_10_2023.ods

Open

ERiC 43.4

902KB

Jahresdokumentation_10_2022.ods

Open

ERiC 43.4

943KB

Jahresdokumentation_10_2021.ods

Open

ERiC 43.4

853KB

Jahresdokumentation_10_2020.ods

Open

ERiC 43.4

1MB

Jahresdokumentation_10_2019.ods

Open

ERiC 43.4

The sheets * - Felder include the codes and description (columns B and C), as well as allowed values, length and regex expression every field validates against (columns E, F and I). This also applies to attachments to the main form.

Rows marked as (alt) denote, that a change has been made to its parameters (eg. Context) compared to the previous version of the documentation.

Delta documentation

Contains only changes between ERiC versions. Compared versions are named in sheet Allg. Information.

55KB

Deltadokumentation_10_2025.ods

Open

ERiC 43.4

11KB

Deltadokumentation_10_2024.zip

archive

Open

ERiC 43.3

11KB

Deltadokumentation_10_2023.zip

archive

Open

ERiC 43.3

Forms

The forms have a 7-digit ELSTER field code number printed on it (blue).

The forms with all attachments:

7MB

ESt_2025.zip

archive

Open

3MB

ESt_2024.zip

archive

Open

3MB

ESt_2023.zip

archive

Open

19MB

ESt_2022.zip

archive

Open

Most likely you need just a subset of them:

7MB

ESt_Basic_2020.zip

archive

Open

Basic subset for assessment year 2020

Includes the most commonly used attachments (for 2020 as an example)