Mass. Gen. Laws ch. 276, § 16: Governor's warrant of arrest; recital of facts

Section 16. If the governor decides that the demand should be complied with, he shall sign a warrant of arrest, sealed with the state seal and directed to an officer authorized to serve warrants in criminal cases or other person whom the governor may think fit to entrust with the execution thereof. Such warrant shall substantially recite the facts necessary to the validity of its issue.