Thunder vs Spurs Pt 2

[NR33]

Originally Posted by APG

From the league:

Waiters (OKC) jumps during his inbound attempt, which is permissible under NBA interpretations of the relevant throw-in Rule No. 10, Section III, provided the player doesn’t leave the designated throw-in spot (laterally) or leave the playing surface (e.g., stepping into the stands) to gain an advantage.

Where did you find this? I've seen too many people try to claim jumping during a throw-in is a violation and I want to show them the league's explanation.