Does your son have his own account? If so, then the code is now attached to his account, as the codes can only be used in one account. You would need to prepare your return in his account if you want to use one of the 8 returns.
TurboTax Expert Assist
Get answers to all your tax questions
Our experts are available on-demand, no appointment needed. Get help all year long with TurboTax Expert Assist.