| 00 | Unrestricted | Any audience | 10 | |
| 01 | Restricted | Distribution by agreement between the parties to the ONIX exchange (this value is provided to cover applications where ONIX content includes material which is not for general distribution) | 10 | |
| 02 | Booktrade | Distributors, bookstores, publisher’s own staff etc | 10 | |
| 03 | End-customers | | 10 | |
| 04 | Librarians | | 10 | |
| 05 | Teachers | | 10 | |
| 06 | Students | | 10 | |
| 07 | Press | Press or other media | 10 | |
| 08 | Shopping comparison service | Where a specially formatted description is required for this audience | 10 | |
| 09 | Search engine index | Text not intended for display, but may be used (in addition to any less restricted text) for indexing and search | 32 | |
| 10 | Bloggers | (Including vloggers, influencers etc) Where this is distinct from end customers or the Press | 50 | |