6. Such execution shall issue upon the fiat or proecipe of the Attorney General, or of any person thereunto authorized in writing by him; and the Crown shall be entitled to the costs of execution and to costs on all proceedings in the case subsequent to execution, and to such costs for the entry of the judgment as may be fixed by any tariff.
Such execution may also be issued on the fiat or proecipe of any person to whom the Attorney General has given a general written authority to demand the execution of all judgments upon forfeited recognizances.