body: For example, if you had an education startup that took, as payment, a contract from each student that they would pay an amount equal to 1% of their income tax to the education company each year. Would this be a legal arrangement, and would it be possible to arrange with an entity like the IRS to assist with these transactions?
  
  
  
title: Is it legal in the US to arrange a contract for payment of a portion of future income in return for a service?