... need to add a total time restriction: D. If any combination of the above terms inclusive of a four year term as POTUS should cause the total years of the terms to exceed twelve years, no additional election to federal national office can occur.
Of course the downside to term limits is that it increases the power of the unelected, unresponsive, and uncaring federal bureaucrat. For them I suggest a re-qualification exam or interview every 5 years conducted by a non-governmental entity. Failure to re-qualify earns you a 30 day notice of termination of employment and benefits.
Boy we’ve really allowed our our system to get seriously messed up, haven’t we?