The act of purchasing a Prohibited Substance alone constitutes Possession, even where, for example, the product does not arrive, is received by someone else, or is sent to a third party addres s.]  81  [Comment  to Protected Person : The Code treats Protected Persons differently than other Athletes or Persons in certain circumstances based on the understanding that, below a certain age or intellectual capacity, an Athlete or other Person may n ot possess the mental capacity to underst and and appreciate the prohibitions against conduct contained in the Code.