(a) In all cases of levying on land, written notice of the levy must be given personally or delivered by certified mail or statutory overnight delivery to the tenant in possession and to the defendant if not in possession.

(b) The officer levying on land under an execution, within five days thereafter, shall leave a written notice of the levy with the tenant in possession of the land, if any; and, if the defendant is not in possession, the officer shall also leave a written notice with the defendant if he is in the county or shall transmit the notice by mail to the defendant within the time aforesaid.