[Blue House Sue]

“I want to see that back stabbing a-hole turn it down !”

There is no constitutional mechanism to turn down a pardon.

[Berlin_Freeper]

Cohen could lock himself up.

[SoCal Pubbie]

United States v. Wilson, 32 U.S. (7 Pet.) 150 (1833)

The decision was that if the prisoner does not accept the pardon, it is not in effect: “A pardon is a deed, to the validity of which delivery is essential, and delivery is not complete without acceptance.

https://en.m.wikipedia.org/wiki/United_States_v._Wilson

[Jim Noble]

There is no constitutional mechanism to turn down a pardon

But the President cannot pardon crimes against the State of New York.

[jjotto]

See United States vs. Wilson.