Tracking Plan implememneted

Author: jfoskin

src/protocols/faq.md

@@ -76,6 +76,10 @@ If you [discarded events](/docs/protocols/enforce/schema-configuration) as a par
 
 Unfortunately, Sources cannot be connected to more than one Tracking Plan. If you were able to connect more than one Tracking Plan to a Source, it could create conflict if events overlapped. 
 
+## How is the  Track Plan implemented?
+
+The Tracking Plan is included in the source settings.  Essentials, Segment has logic in the code that checks to see if an event is in the Tracking Plan. 
+
 ## Protocols Validation
 
 ### What is the difference between Violations Emails and the Violations page in the Segment UI?