3.212 You can use Diving Tackle on someone who leaps into a square within your Tackle Zone (no matter where the player leapt from).

3.213 You may leap as part of your Pass Block.

3.214 You may not use Go-For-It's as any part of a leap. You may only use leap during your normal movement allowance.

3.215 A player Shadowing a leaping player would move to the square that the leaping player vacated.

3.216 Leap does not "ignore Tackle Zones." It is simply made with no modifiers to the die roll whatsoever.