A receiver operating in a broadcast system is disclosed that allows a broadcaster to provide multiple tiers of subscription services. By a receiver that can operating at different tiers, a subscriber has the option of listening to fewer (or no) commercials, e.g., by paying a higher fee, or listening to more commercials, e.g., by paying a lower or no fee. Commercials can be demographically targeted, cannot be skipped, and can be audited for billing purposes.