--- title: External Calendar Rules description: Learn how to enable external calendar rules in Clearooms. Automatically decline, warn, or allow bookings that break room rules while keeping users’ calendar events intact. --- [Skip to content](https://knowledgebase.clearooms.com/external-calendar-rules#main-content) ![Colour Transparent](https://knowledgebase.clearooms.com/hs-fs/hubfs/Colour%20Transparent.png?width=1672&height=313&name=Colour%20Transparent.png) Open main navigation Close main navigation - [Contact us](https://2feg9n.share-eu1.hsforms.com/2LEUbrOfJTIe01qcEQusU5w) [Contact us](https://2feg9n.share-eu1.hsforms.com/2LEUbrOfJTIe01qcEQusU5w) How can we help you? - There are no suggestions because the search field is empty. 1. [Clearooms Knowledge Base](https://knowledgebase.clearooms.com/?hsLang=en-gb) 2. [Settings](https://knowledgebase.clearooms.com/settings?hsLang=en-gb) 3. [Meeting Room Settings](https://knowledgebase.clearooms.com/settings?hsLang=en-gb#meeting-room-settings) # External Calendar Rules ## Automatically enforce meeting room rules and keep users informed when bookings conflict with policies. Enabling this feature will enforce or warn users when the meeting room rules are not met. This rule can only be enabled by contacting support@clearooms.com  This means is a user books a room that breaks a rule set you can immediately decline the meeting, decline after a set period of time or accept the meeting but warn the user via email that they should not be breaching these rules. None of these options delete the meeting that has been created, the decline option is declining the meeting room and not deleting the users calendar meeting. 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