Usually, penalties are enforced against a team when the team arrives at the Pit Stop, regardless of where the penalty occurred during the leg; Phil (or any host of the foreign versions of the show such as Allan Wu) will ask the team to step off to the side and wait out their penalty while other teams may check-in before them. The only exception to this rule is the four-hour penalty that occurs by quitting a Roadblock; this penalty is applied immediately once the team declares their intention to quit. (Rob & Amber exploited this exception in Season 7 to stay in the race.) Time credits are applied after the production team evaluates the leg and finalizes start times for each team. Penalties may be assessed after a leg and applied to the start time for the next leg but otherwise do not affect