# LEI-CDF format version 1.0 — Superseded and deprecated identifier mappings

For LEI-CDF format version 1.0, item title is The LEI Common Data File (LEI-CDF) Format; successor is LEI-CDF format version 2.1, recorded from its source on 2026-08-05.

- **Identifier:** LEI-CDF format version 1.0
- **Item title:** The LEI Common Data File (LEI-CDF) Format _(unconfirmed — we could not tie this to the quote below)_
- **Successor:** LEI-CDF format version 2.1

## What the source says

> In November 2016, GLEIF published the initial LEI-CDF format version 1.0. In May 2017, GLEIF published LEI-CDF format version 2.1, and in May 2021, LEI-CDF format version 3.1.

## Source

- https://www.gleif.org/en/about-lei/common-data-file-format/lei-cdf-format

Last verified: 2026-08-05. Review by: 2027-02-01.
Part of [Superseded and deprecated identifier mappings](https://referencesource.org/superseded-standards-mappings/).