# Scope of blackout of SCTE-35 messages
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All SCTE-35 messages that are “Other type” are blanked out as follows:


| SCTE-35 segmentation type | Blanking | 
| --- | --- | 
| Programs | Always | 
| Chapters | Always | 
| Unscheduled events | Always | 
| Network  | See below. | 

**How Network End Blackout Differs from Other Events**  
Network end blackout is different from the other events that trigger a blackout because: 
+ With Network, blanking starts when the "Network End" instruction is encountered and ends when the "Network Start" instruction is encountered.
+ With other events, blanking starts when the “event start” instruction is encountered and ends when the “event end” instruction is encountered.