A Racked Tile Sits on the Slope (Article ID 2)

Abstract:  When a player places a tile on the sloping part of their rack it is considered a racked tile. Merely a tap or a touch of to any part of a player’s rack does not define it as a racked tile.   

Question from a player:  When is a tile considered “racked”? 
 
Answer from the NMJL:   “ A racked tile is defined as a tile that has been placed on the sloped part of the rack along with the player’s other tiles.”

Source:   Mah Jongg Made Easy 2020 page 19 #11

Other answer from the NMJL:

” A tile is considered to be racked when it is sitting in the sloped area of the rack, along with a player’s other tiles.  Tapping or clicking the tile is not racking, nor is it considered racked if it is merely touching any other part of your rack.”  
 
Source for other answers: National Mah Jongg League Bulletin Q&A 2018https://www.nationalmahjonggleague.org