That's in the documents of both parties as you have seen. Nothing to split, it's right there, both parties.
The phrase you quote, "agree the condition is permanent" is not in either document. The quote above is YOUR interpretation, which you are entitled to.
What the legal interpretation of this may be another matter
It appears that my words are not making an accurate impression in your mind. Good day.
"Petition for guardianship by Gaddy, fax page number 13
"..Duration of incapacity: Permanent.
"Petition for guardianship by Ken folks, fax page 27
"..Duration of incapacity: Permanent.
That's what I see. What do you see?