Contract Blocks
![New Contract Blocks](/en/user/pages/03.hotel-contract/23.contract-blocks/new-contract-block.PNG)
This section will enables you to block the visibility and related sale of a contract for a specific:
- Customer type: agency or network
- Customer group: group of clients
- Client's code: it is possible to define the client code
- Pax nationality blocked: specific nationalities to block (those that you don't select are allowed)
- Pax nationality not blocked: specific nationalities to allow (those that you don't select are blocked)