---
title: "onix-codelist-228"
canonical: "https://docs.holnix.com/space/HW/388301258/onix-codelist-228"
format: markdown
---
# ONIX Code Lists Issue 67, October 2024

## List 228: Grant identifier type

| Value | Description | Notes |
| --- | --- | --- |
| 01 | Proprietary | Note that <IDTypeName> is required with proprietary identifiers |
| 06 | DOI | Digital Object Identifier (variable length and character set, beginning ‘10.’ and without https://doi.org/ or the older http://dx.doi.org/) |

[©](https://doi.org/10.4400/nwgj) [EDItEUR](https://www.editeur.org)