<Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (August 2007) (Learn how and when to remove this template message) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (August 2007) (Learn how and when to remove this template message) </Td> </Tr> <P> Overtime is a method of determining a winner in an ice hockey game when the score is tied after regulation . The main methods of determining a winner in a tied game are the overtime period (commonly referred to as overtime), the shootout, or a combination of both . If league rules dictate a finite time in which overtime may be played, with no penalty shoot - out to follow, the game's winning team may or may not be necessarily determined . </P> <P> Overtime periods are extra periods beyond the third regulation period during a game, where normal hockey rules apply . Although in the past, full - length overtime periods were played, overtimes today are golden goal (a form of sudden death), meaning that the game ends immediately when a player scores a goal . </P>

When do they go to a shootout in hockey