Tony, I'm sure what you mean or trying to say, especially when it is referring to T4Rs?
But if you look at it in reality, the Warranty Enhancement Program only covers 2003, 2004, and 2005 models T4Rs, the 10 years secondary coverage you speak of was from date of "first put into use", e.g. when the T4R or other covered Toyotsa were sold new, the Warranty Enhancement Program began around the first of 2015, so most all of the 03 and 04 models were already passed the 10 year "First put into use" clause at the start of the program, and the 2005s were out of the "10 year" clause within the first year of the program (Very convenent of Toyota to do that for Toyota's sake, do you think!!), so now all of the covered T4Rs are now not covered under the "10 year" clause.
That being said there are other Toyotas covered under the program other than the T4Rs, some of those other models may well be still covered under the "10 year" clause if there were "put into use" after 2007.