Valuable Rules for Unusual Problems

The plate umpire has the authority to make decisions on any situations not specifically covered in the rules. (15.3.4)
The umpire shall not impose an effect on a team for any infractions of a rule when imposing the effect would be an advantage to the offending team. (15.2.14)
The plate umpire is empowered to rectify any situations in which a delayed call or a reversal of a call places a player in undue jeopardy. (15.2.15)