The Self Directed IRA owner makes their annual contribution directly into the bank account of the LLC rather than with the custodian of the Self Directed IRA. In this case, you are personally interacting with your ICO (IRA-LLC). That is considered a prohibited transaction. Additionally, an IRA contribution is only considered valid when it has been received by the custodian.
To learn more about self directed IRA or IRA custodial services go to: