| Mandatory Play Requirement | TR-9; p-141/143 | 13 or 14 Players when lineups official -> One At Bat; 12 or fewer players when lineups official -> One At Bat and Six CONSECUTIVE Defensive Outs | No Mandatory Play Requirement |
| Mandatory Play Management | TR-9 a; p-141/142 | After four innings (five in Int/Jr), the UIC and Scorekeeper will inform each Manager of any players not yet meeting MPR for that game. Managers must act to enter players before a violation could occur in a standard game. Failure to comply will result in immediate ejection and suspension as directed by WP ITC | No Mandatory Play Requirement |
| Mandatory Play Conference Directions from UIC to Managers | TR-9 a; p-142 13 or 14 Players | Visitors, enter all required substitutes defensively before the first pitch in the bottom of the 4th inning and batting within the next six batters; Home, enter all required substitutes defensively before the first pitch in the top of the 5th inning and batting within the next three batters | No Mandatory Play Requirement |
| TR-9 a; p-142 12 or fewer Players | Visitors, enter all substitutes as one of the first 3 batters of 6th inning; one at a time, as they come to bat; Home, enter all substitutes as one of the first 3 batters of 5th inning; one at a time, as they come to bat | No Mandatory Play Requirement |
| Illegal Bat | TR-3 b; p-135 Rule 6.06 d, 98 | From entering the Batter's Box to next batter entering the Batter's Box->Protest valid. Option exists for Batter Out or taking the Play. MANDATORY: Batter/Manager ejected and lose position of one adult base coach |
| Bat | Rule 1.10; p-67/69 | Smooth, rounded stick, Max 33" length/2 5⁄8" diameter with USA Cert marking. No material marking required | Smooth, rounded stick, Max 34" length/ 2 5⁄8" diameter w/USA Cert mark or BBCOR = 0.50 w/material mark | 36" length/2 5⁄8" diam w/BBCOR = 0.50; Mat- erial/drop -3 markings |
| Third Strike Not Caught (TSNC) | TR-3 c; p-135 | No advance allowed | In accordance with Rules 6.05 (b) (2), p-96; and 6.09 (b), p-101; a Batter may advance on a TSNC |
| Special Pinch Runner (SPR) | TR-3 d; p-136; TR-10 g; p-144 | Twice/game, once/inning, a Player not in the lineup may run for a Player. The Player removed may be SPR'd for only once per game. Player SPR'ing may do so as long as that Player is out of the lineup |
| Maximum Pitches in a Day | TR-4 d; p-137/139 | Limits by AGE, not Division; 8 YO = 50; 9 or 10 YO = 75; 11 or 12 YO = 85; 13 or 14 YO = 95 | 13--16 YO = 95 |
| Max Pitches Exception | TR-4 d; p-137/139 | If a Pitcher reaches the Maximum allowed per day, the Pitcher may continue until the Batter is retired, reaches base safely or the inning or the game ends. The Pitcher must then be removed |
| Days Rest | TR-4 e; p-137/139 | 1-20 -> No Rest; 21-35 -> 1 day; 36-50 -> 2 days; 51-65 -> 3 days; more than 65 -> 4 days | 1-30 -> No Rest; 31-45 -> 1 day; 46-60 -> 2 days; 61-75 -> 3 days; >75 -> 4 days |
| Days Rest Exception | TR-4 f; p-137/139 | If a Pitcher crosses a Threshold while facing a Batter, the Pitcher may continue until the Batter is retired, reaches base safely or the inning/game ends. If the Pitcher is removed before facing the next Batter, then the lower Days Rest requirement applies. No pitcher may pitch on three consecutive days, regardless of pitches thrown on two previous days |
| Clarification to Exception | WR AR | If the Batter is replaced during a Pitch Count Exception period, this does NOT count as pitching to another Batter |
| Exception to Exception | WP FAQ | If a Pitcher crosses a Threshold while facing a Batter, and the above EXCEPTIONS do NOT apply (Pitcher is injured/ejected), then the ACTUAL Pitch Count determines Days Rest required |
| Catcher -> Pitcher | TR-4 a; p-136/139 | If a Catcher catches more than three innings, that Player may not Pitch that DAY. One pitch = inning | Same, 4 inning limit |
| Catcher -> Pitcher -> Catcher | TR-4 a; p-136/139 | Catch for three innings or less and then pitch 20 or less; return to Catcher is allowed | Same, 30-pitch limit |
| Catcher -> Pitcher -> Catcher Exception | TR-4 a; p-136/139 | When a Pitcher reaches the 20 pitch limit, the Pitcher may continue until that Batter is retired, reaches base safely or the inning/game ends. If then removed, that Player may return as a Catcher | Same, 30-pitch limit |
| Pitcher -> Catcher | TR-4 d; p-137/139 | If a Pitcher delivers more than 40 pitches in a day, then that Player may not Catch that day |
| Pitcher -> Catcher Exception | TR-4 d; p-137/139 | When a Pitcher reaches the 40-pitch limit, the Pitcher may continue until that Batter is retired, reaches base safely or the inning/game ends. If then removed, that Player may catch that day |
| Pitching Two Games/Day | TR-4 f; p-136-138 | Not Permitted | Yes, if 30 pitches or fewer in first game |
| Pitching Two Games/Day Exception | TR-4 f; p-137/140 | Not Permitted | If a Pitcher reaches 30-pitch limit first game while facing a Batter, the Pitcher may continue until the Batter is retired, reaches base safely or the inning/game ends |
| Susp Game Next Day Pitching | TR-4 g; p-138/140 | Pitcher continues in a resumed game, if Pitch Count <41 pitches. If PC ≤20, PC starts over, if PC >20, PC resumes | Same, except <61 and 30 pitch reset |
| Substitution/Re-entry | TR-10; p-143/144 | All changes are straight line. A STARTER may be removed before MP, but upon re-entry, must meet AB and/or six CONSECUTIVE Defensive Outs. Any SUB must meet MP before being removed. Multiple SUBS may enter/re-enter on the same line | Starters/DH may re-enter one time on the same line |
| Lack of Eligible Substitutes | TR-10 a; p-143 | If a Team runs out of eligible SUBS, the opposing Manager chooses a player to re-enter the game. Ejected Players may not re-enter |
| Pitchers Returning to Mound | TR-10 c; p-143/144 | Not Permitted if removed from the Mound. Special Case, TR-10 c, Note 2 allows return if Pitcher was not removed from the Mound | If the Pitcher is removed from the Mound and remains in the game, that Pitcher may return once/game | Does not apply |
| Special Case for Visiting Team with 13 or 14 Players | TR-10 c NOTE 2; p-143 | With 13 or 14 eligible players, the Visiting Team may substitute a Batter for the starting Pitcher in the top of the first inning provided the starting Pitcher faces the first Batter in the bottom of the first inning (this doesn't violate Rule 3.05 a) |
| Making Changes | TR-10 d; p-144 | Offensive changes while Player is at bat or on base; Defensive changes on defense |
| Charged Visits | TR-7; p-141 | Def: 3/game, 2/ inn; Off: 1 visit/ inn | Allowed Defensive: 2/game; 1/inning--next visit, the Pitcher must be removed. If the Pitcher returns, visit count continues. One Offensive visit/inning |
| Charged Visits Clarified | Instructor Comment | Visits to make changes, talk w/Umpire or check an injured Player are not charged. A visit to an offensive/defensive Player for any other reason is charged. When a Defensive charged visit occurs, the Offensive Manager/Coach may visit with that Team and not be charged a visit, provided the uncharged visit ends when the charged visit does |
| Ten Run/15 Run Rule | TR-12; p-144 | 10 Run lead after 4/3 and one-half innings or 15 Run lead after 3/2 and one-half innings ends the game | 10 Run lead after 5/4 and one-half innings or 15 Run lead after 4/3 and one-half innings ends the game |
| Suspended Games | TR-11; p-144; TR-13 b; p-145 | Any game where a winner cannot be determined continues from the point of suspension. Games where the Visitors take the lead and the Home team does not complete their half inning NEVER revert, but suspend at that point to continue later |
| Ending Regulation Games | TR-13; p-145 | With Regulation Innings, games called for NATURAL causes are over, if a winner can be determined. Games where the Visitors take the lead, but the Home Team does not complete its half inning NEVER revert, but are suspended, then resumed from the point of suspension |
| Extra Inning Tie Breaker | TR-14; p-145 | At the second extra inning, the Batter scheduled to bat last that inning will start the inning as a Runner at second base |
| Number of Coaches Allowed | Tourn Org; p-125 | If a team has 11 or fewer eligible Players, only one Manager and one Coach will be allowed that game |
| Curfew by Rule | Tourn Org; p-131 | No new inning after midnight local time | No new inning after 0030 local time | No new > 0100 LT |
| Protest (Rule or Substitution) | Tourn Play; p-132 | Resolved before next pitch or play. Illegal substitution not protested must still be resolved, when discovered. Call Region/WP for assistance in the reset |
| Protest (Player, Pitcher or MPR) | Tourn Play; p-132 | Player (Age, Residence or Eligibility)->Notify TD and call Region/WP; Pitcher (TR-4 violation)->Notify TD and call Region/WP. Penalty at WP discretion |