We are currently working on a new system and regulations to the Summoning Contract that will approach that issue as well. However, its currently on hold until we can organize some other things amongst us as well.
Also, the rule was set in play to avoid abuse of CJ trading which was indeed abusive. Custom contracts are also a bit all over the place and abused as they are right now so yes, we will work on it to make it as organized as possible.
Suggesting(s):
- A Summoned of the User, who posses said contract, can only be noted B-rank only.
- The requirement to teach of said contract by the User is limited per [Insert number here] students.
- The utilization of the Summoning techniques can only be taught by students from D-rank to A-rank Jutsu.
- The teaching of S-rank Jutsu by said contractor can only be taught with permission and by a Sensei.
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If determine by ranking of the characteristic's of the summon then it is not needed. Therefore, the abilities is only being ranked and approved by Admin./Mods. It is much easier, If I am not mistaken, or added rules can be implemented. I am just helping.