Looking at the list of Trump's final pardons, I notice that two of the pardons are conditional. My question is, what happens if the conditions for a conditional pardon either aren't met until during next president's term, or they are broken during the next president's term?
Could the new president decline to execute the pardon even if the conditions were met? Could he maintain the pardon even if the conditions were broken?
I'm interested in the mechanics in general, not just Trump's pardons.