RULE 6: Length of Announcements
When an offer appears before the PBS logo, it may be no longer than 15 seconds. An offer approved to appear after the PBS logo may be no longer than 30 seconds. See Rule 9(b) for placement guidelines.
Comment: Offerors are encouraged to make announcements no longer than necessary to convey the relevant information. For example, informational announcements and most announcements offering transcript-like materials should be shorter than 15 seconds.