OFFICIAL BASEBALL RULES

Rule 7.017.00–ENDING THE GAME7.01 (4.10) Regulation Games(a) A regulation game consists of nine innings, unless extendedbecause of a tie score, or shortened (1) because the home teamneeds none of its half of the ninth inning or only a fraction of it,or (2) because the umpire-in-chief calls the game.EXCEPTION: National Association leagues may adopta rule providing that one or both games of a doubleheadershall be seven innings in length. In such games,any of these rules applying to the ninth inning shallapply to the seventh inning.(b) If the score is tied after nine completed innings play shall continueuntil (1) the visiting team has scored more total runs thanthe home team at the end of a completed inning, or (2) thehome team scores the winning run in an uncompleted inning.(c) If a game is called, it is a regulation game:(1) If five innings have been completed;(2) If the home team has scored more runs in four or fourand a fraction half-innings than the visiting team hasscored in five completed half-innings;(3) If the home team scores one or more runs in its half ofthe fifth inning to tie the score.(d) If a regulation game is called with the score tied, it shallbecome a suspended game. See Rule 7.02 (Rule 4.12).(e) If a game is called before it has become a regulation game, theumpire-in-chief shall declare it “No Game.”(f ) A League President may determine whether rain checks will behonored for any regulation or suspended game that has progressedto or beyond a point of play described in Rule 7.01(c)(Rule 4.10(c)).Rule 7.01 Comment (Rule 4.10 Comment): The Major Leagueshave determined that Rules 7.01(c) and 7.01(e) (Rules 4.10(c)and 4.10(e)) do not apply to any Wild Card, Division Series,83