No appropriation or part thereof shall be used for any other purpose than that for which it was made unless transferred or revised as provided in § 4-87. Any board member, commissioner, director, manager or other officer or any person connected with any budgeted agency to which an appropriation has been made, who wilfully expends any moneys belonging to the state for any purpose other than that for which the money was appropriated, budgeted or allotted or who consents thereto, shall be liable to the state for such sum so spent, and the sum so spent, together with interest and costs, shall be recoverable in an action to be instituted by the Attorney General.