| 00 | Unspecified | Default | 1 | |
| 01 | Publisher to resellers | Publisher as supplier to retail trade outlets | 1 | |
| 02 | Publisher’s exclusive distributor to resellers | | 1 | 9 |
| 03 | Publisher’s non-exclusive distributor to resellers | | 1 | 9 |
| 04 | Wholesaler to retailers | Wholesaler supplying retail trade outlets | 1 | 9 |
| 05 | Sales agent | Deprecated – use <MarketRepresentation> (ONIX 2.1) or <MarketPublishingDetail> (ONIX 3.0 or later) to specify a sales agent | 1 | 5 |
| 06 | Publisher’s distributor to retailers | In a specified supply territory. Use only where exclusive/non-exclusive status is not known. Prefer 02 or 03 as appropriate, where possible | 6 | 9 |
| 07 | POD supplier | Where a POD product is supplied to retailers and/or consumers direct from a POD source | 6 | |
| 08 | Retailer | | 8 | |
| 09 | Publisher to end-customers | Publisher as supplier direct to consumers and/or institutional customers | 9 | |
| 10 | Exclusive distributor to end-customers | Intermediary as exclusive distributor direct to consumers and/or institutional customers | 9 | |
| 11 | Non-exclusive distributor to end-customers | Intermediary as non-exclusive distributor direct to consumers and/or institutional customers | 9 | |
| 12 | Distributor to end-customers | Use only where exclusive/non-exclusive status is not known. Prefer 10 or 11 as appropriate, where possible | 9 | |
| 13 | Exclusive distributor to resellers and end-customers | Intermediary as exclusive distributor to retailers and direct to consumers and/or institutional customers. Only for use in ONIX 3.0 or later | 37 | |
| 14 | Non-exclusive distributor to resellers and end-customers | Intermediary as non-exclusive distributor to retailers and direct to consumers and/or institutional customers. Only for use in ONIX 3.0 or later | 37 | |
| 15 | Distributor to resellers and end-customers | Use only where exclusive/non-exclusive status is not known. Prefer codes 13 or 14 as appropriate whenever possible. Only for use in ONIX 3.0 or later | 37 | |