In case of a levy of an attachment on real estate in the occupancy of any person, the officer shall go to the house or upon the land of the defendant, and there declare that he attaches the same at the suit of the plaintiff, but if the land be unoccupied, or if the process be an execution, he may attach or levy upon the same by returning that he has attached or levied upon the land, describing it by numbers or otherwise properly, and, if the process be an attachment, stating that the land is unoccupied; and in all cases the return of the officer shall be conclusive of the facts stated therein, except on timely motion to quash.
