Miss. Code § 25-7-75
When it is desired to have returned to this state a person charged in this state with a crime, and such person is imprisoned or is held under criminal proceedings then pending against him in another state or territory or the District of Columbia, the Governor of this state may agree with the executive authority of such other state or territory for the extradition of such person before the conclusion of such proceedings or his term of sentence in such other state or territory or the District of Columbia, upon condition that such person be returned to such other state or territory at the expense of this state as soon as the prosecution in this state is terminated. The expenses of returning such prisoners to other states shall be paid out of an appropriation to be made for that purpose known as "the prisoner extradition fund."
Miss. Code § 25-7-75