> ## Documentation Index > Fetch the complete documentation index at: https://docs.m1amdocs.com/llms.txt > Use this file to discover all available pages before exploring further. # Business Rules Business rules allow you to upsell and cross-sell products and offers. Use business rules to display zones based on the user's active subscriptions or login status. **Note:** Business rules do not enforce eligibility. Business rules ## Types of Business Rules You can apply any of the following types of business rules to a zone: * **Linked to a user** * **Display always**: Always display the zone. * **Display if authenticated**: Display the zone if the user is logged in. * **Display if unauthenticated**: Display the zone if the user is not logged in. * **Linked to a partner/service** * **Display if subscribed**: Display the zone if the user is subscribed to the selected service. * **Display if not subscribed**: Display the zone if the user is not subscribed to the selected service. The **Linked to a user** and **Linked to a partner/service** business rules can both be applied to the same zone. **To apply a business rule:** * After you create [programming](manageProgrammingPage) and add a zone, add a business rule to the zone by selecting the business rules icon Business Rules Icon ## Use Case Examples **Use Case Example #1** A Reseller wants to incentivize upgrades to users with the basic version of a service. The Reseller does the following: * Creates programming for the **Discovery** page * Adds a content wall zone with the upgraded versions of a product * Applies a business rule linked to users who are actively subscribed to the basic version of the product **Use Case Example #2** A Reseller wants to cross-sell other video streaming services to users that have subscribed to a service called Amazing Entertainment. The Reseller does the following: * Creates programming for the **Discovery** page * Adds a content rail zone with video streaming products that are similar to Amazing Entertainment * Applies a business rule linked to users who are actively subscribed to Amazing Entertainment **Parent topic:**[Page Programming](programmingAbout) This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.