Mich. Comp. Laws § 600.1330: Board box; closing, custody.

Sec. 1330.

When the drawing is finished, the board box shall be closed and sealed in the presence of the officers. All slips drawn out of the board box, unless destroyed as provided in this chapter, shall be delivered to the clerk of the court for which the jurors were drawn. The board box shall be kept in the custody of the board at all times, and shall not be opened nor the seal be broken until another drawing, unless ordered by the court.