The law should be simple - whatever is required for a passport.
That is all that is required for a passport.
So, there you go. Problem solved.
I’m not opposed to a candidate having to prove eligibility by either age or residency.
I just easily see this becoming a “Hey...let’s make it impossible for the Irish to run for sheriff” type of thing.
Granted, I live in 1895.
You emerge again! Becoming a president of the US is not on a par with getting a passport. Stop trolling.