The rules are applied from most specific to less specific, using the first found in this order:
- same library, same patron type, same item type
- same library, same patron type, default item type
- same library, default patron type, same item type
- same library, default patron type, default item type
- default library, same patron type, same item type
- default library, same patron type, default item type
- default library, default patron type, same item type
- default library, default patron type, default item type
To modify a rule, create a new one with the same patron type and item type.