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:

Attachment N-GRE for ESt 2025 is planned to be released on 2026-02-23, currently only a preview documentation is available.

The files can be opened with as Spreadsheet Reader (e. g. Excel).

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.

Preview

Forms

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

The forms with all attachments:

3MB

ESt_2023.zip

hashtagEndpoint

hashtagList of fields, values and their context

hashtagDelta documentation

hashtagPreview

hashtagForms

Endpoint

List of fields, values and their context

Delta documentation

Preview

Forms