(a) A writ of prejudgment or post judgment garnishment shall be served on the garnishee in the same manner as a summons.
(b) Not later than five (5) days after service is made upon the garnishee the sheriff or other person who served the writ shall mail a copy of the writ to the defendant. The writ shall be sent by first class United States mail with the postage prepaid. The envelope shall be furnished and properly addressed by the plaintiff.