- 7 innings with no new inning after 2:00. Exception: In pool play, if game is tied at the end of 7 innings and there is still time on the clock, extra innings are played until time expires.
- Mercy Rule 15 after 3 innings, 12 after 4 innings and 8 after 5 innings.
- Tie Breakers: 1. Winning Percentage (Desc) 2. Number of Wins (Desc) 3. Number of Loses (Asc) 4. Tied Teams (vs each other) Winning Percentage (Desc) (Not valid if all teams have not played each other) 5. Avg Points Allowed (Asc) 6. Avg Run Differential with a max of 8 (Desc) 7. USSSA Points Desc) 8. Date Team Entered USSSA Database. (Once advanced past on tie breaker, you don't go back to a previous tie breaker).
- Championship Day: For all playoff and championship games. If a game is still tied at the end of regulation innings, or any inning starting after time has expired, the last batter to complete their at-bat, will be placed on second base to start the following inning(s) until there is a winner. Also, there is no time limit in the championship game.
- There will only be 3 coaches allowed in the dugout at USSSA games. All assistant coaches must be listed on your team's online roster on www.usssa.com under the "Coaches Listing" option. In addition, no one other than official coaches and players are allowed in the dugout at any time.
- There are no pitching restrictions.
- Teams may play an official game with an eight (8) player line-up. If a team plays with an eight (8) player line-up, an out shall be declared for the ninth (9th) position in the batting line-up each turn at bat.
- Any player(s) arriving after the start of the game, shall be added to the bottom of the line-up.
- A team that must shorten their line-up do to the lack of eligible players, an out shall be recorded every time that spot in the line-up comes up.
- Teams may elect to bat nine (9) players, or nine (9) players with a DH, or nine (9) players with an EH, or nine (9) players with an EH and DH, or a continuous line-up of all present, eligible, uniformed players. The use of the EH, DH or a continuous line-up must be declared before the start of the game and used the entire game.
- Starters may re-enter one time only in their original spot.
- The DH may bat for any defensive player.
- A starting defensive player cannot be listed as the DH
- A DH for said player shall be selected prior to the start of the game, and his name shall be included on the line-up cards presented to the umpire-in-chief and to the official scorer.
- The DH that bats for a defensive player or any of that player's substitutes are locked into that batting slot. No multiple substitutions may be made that will alter the batting order.
- The player who was the DH may re-enter as the DH under the re-entry rule.
- If a pinch hitter or pinch runner for the DH is used, that player becomes the new DH.
- A subbed DH can re-enter the game one time since he was considered a starter. The defensive player being hit for can also re-enter the game one time if subbed for. Both must always stay in the same batting spot.
- The role of the DH is terminated for the remainder of the game when: (1) The defensive player, or any previous defensive player for whom the DH batted, subsequently bats, pinch hits, or runs for the DH; (2) The DH or any previous designated DH assumes a defensive position.
- A runner who jumps over a player will be called out whether or not contact is made with the defensive player.
- The Force Slide Rule: A runner may legally slide directly into a base or in any direction away from the fielder to avoid contact or altering the play of the fielder or avoid by peeling off away from the player making the play. Runners are never required to slide, but if a runner elects to slide, the slide must be legal. Legal Slide means a head first sliide or a slide with one leg and buttock on the ground before the base. If contact is made on either side of the bag or behind the bag, the ball is immediately dead. The runner is out, inerference is called and the batter runner is also called out.
- A.R. - If the bases are loaded with no outs, a double-play atttempt is made, and interference is called, all other runners must return to their original bases.
- All bats for 15u – 18u divisions must be a BBCOR bat limitations including a length to weight ratio no greater than negative three (-3) ounces.