OFFICIAL BASEBALL RULES

Rule 4.03player in the batting order. If a designated hitter is to be used,the lineup card shall designate which hitter is to be the designatedhitter. See Rule 5.11(a) (Rule 6.10(b)). As a courtesy,potential substitute players should also be listed, but the failureto list a potential substitute player shall not make such potentialsubstitute player ineligible to enter the game.(d) The umpire-in-chief shall make certain that the original andcopies of the respective batting orders are identical, and thentender a copy of each batting order to the opposing manager.The copy retained by the umpire shall be the official battingorder. The tender of the batting order by the umpire shall establishthe batting orders. Thereafter, no substitutions shall bemade by either manager, except as provided in the rules.(e) As soon as the home team’s batting order is handed to theumpire-in-chief the umpires are in charge of the playing fieldand from that moment the umpire-in-chief shall have soleauthority to determine when a game shall be called, suspendedor resumed on account of weather or the condition of the playingfield. The umpire-in-chief shall not call the game until atleast 30 minutes after he has suspended play. The umpire-inchiefmay continue the suspension so long as he believes thereis any chance to resume play.Rule 4.03 Comment (Rule 4.01 Comment): Obvious errors inthe batting order, which are noticed by the umpire-in-chiefbefore he calls “Play” for the start of the game, should becalled to the attention of the manager or captain of the team inerror, so the correction can be made before the game starts. Forexample, if a manager has inadvertently listed only eight menin the batting order, or has listed two players with the same lastname but without an identifying initial and the errors arenoticed by the umpire before he calls “play,” he shall causesuch error or errors to be corrected before he calls “play” tostart the game. Teams should not be “trapped” later by somemistake that obviously was inadvertent and which can be correctedbefore the game starts.The umpire-in-chief shall at all times try to complete a game.His authority to resume play following one or more suspen-13