| 00 | Unspecified – see text | Restriction must be described in <SalesRestrictionDetail> (ONIX 2.1) or <SalesRestrictionNote> (ONIX 3.0 or later) | 1 | 11 |
| 01 | Retailer exclusive / own brand | Sales rights (or market distribution rights) apply to sales through designated retailer(s), which must be identified or named in an instance of the <SalesOutlet> composite. Use only when it is not possible to assign the more explicit codes 04 or 05 | 1 | 49 |
| 02 | Through office supplies outlets only | Sales rights (or market distribution rights) apply to sales though office supplies channels. Specific outlet(s) may be identified or named in an instance of the <SalesOutlet> composite | 1 | 49 |
| 03 | Internal publisher use only: do not list | For an ISBN that is assigned for a publisher’s internal purposes | 1 | |
| 04 | Retailer exclusive | Sales rights (or market distribution rights) apply to sales (under the publisher’s brand / imprint) through the designated retailer(s), which must be identified or named in an instance of the <SalesOutlet> composite | 6 | 49 |
| 05 | Retailer own brand | Sales rights (or market distribution rights) apply to sales (under the retailer’s own brand / imprint) through the designated retailer(s), which must be identified or named in an instance of the <SalesOutlet> composite | 6 | 49 |
| 06 | To libraries only | Sales rights (or market distribution rights) apply to supplies to libraries | 6 | 49 |
| 07 | To schools only | Sales rights (or market distribution rights) apply to supplies to schools | 8 | 49 |
| 08 | Indiziert | Indexed for the German market – in Deutschland indiziert | 9 | |
| 09 | Except to libraries | Sales rights (or market distribution rights) apply to supplies other than to libraries | 11 | 49 |
| 10 | Through news outlets only | Sales rights (or market distribution rights) apply to sales though news outlet channels (newsstands / newsagents) | 14 | 49 |
| 11 | Retailer exception | Sales rights (or market distribution rights) apply to sales other than through designated retailer(s), which must be identified or named in the <SalesOutlet> composite | 23 | 49 |
| 12 | Except to subscription services | Sales rights (or market distribution rights) apply to supplies other than to organizations or services offering consumers subscription access to a catalog of books | 29 | 49 |
| 13 | To subscription services only | Sales rights (or market distribution rights) apply to supplies to organizations or services offering consumers subscription access to a catalog of books | 30 | 49 |
| 14 | Except through online retail | Sales rights (or market distribution rights) apply to sales other than through online retail channels | 36 | 49 |
| 15 | Through online retail only | Sales rights (or market distribution rights) apply to sales through online retail channels | 36 | 49 |
| 16 | Except to schools | Sales rights (or market distribution rights) apply to supplies other than to schools. Only for use in ONIX 3.0 or later | 49 | |
| 17 | Through Inventoryless POD | POD copies may be manufactured at any time, either to fulfill a customer order immediately or to replace a minimal stockholding (ie near-inventoryless). Only for use in ONIX 3.0 or later | 51 | |
| 18 | Through Stock Protection POD | POD copies may be manfactured only to fulfill a customer order immediately while out of stock and awaiting delivery of further stock from the supplier. Only for use in ONIX 3.0 or later | 51 | |
| 19 | Except through POD | Not eligible for POD. Only for use in ONIX 3.0 or later | 51 | |
| 20 | Except to some subscription services | Sales rights (or market distribution rights) apply to all supplies through retailers, and to the designated subscription services, which must be identified or named in an instance of the <SalesOutlet> composite. Only for use in ONIX 3.0 or later | 63 | |
| 21 | Subscription service exclusive | Sales rights (or market distribution rights) apply to supplies to the designated subscription service(s), which must be identified or named in an instance of the <SalesOutlet> composite. Only for use in ONIX 3.0 or later | 63 | |
| 99 | No restrictions on sales | Positive indication that no sales restrictions apply, for example to indicate the product may be sold both online and in bricks-and mortar retail, or to subscription services and non-subscription customers. Only for use in ONIX 3.0 or later | 46 | |