(iii) Proposed provisions specifying that the USPS shall not transmit mail-in or absentee ballots from any individual unless those individuals have been enrolled on a State-specific list described in subsection (b)(iv) of this section with the USPS pursuant to this subsection.



Re-writing the constitution (e.g., amendments) also takes approval from the states themselves.
According to … the constitution
There’s some circular logic happening which Trump sees through. Much like SCOTUS, the constitution can’t enforce itself. So you can just bully it.
True. I guess he can interpret it however he wants and trust that the supremely court will back him.
I saw he will be the first president sitting in on arguments to the supremely court. I wonder if this is an attempt to intimidate justices that might go against him.