serving

transitive verb

1. : to deliver, publish, or execute (notice or process) as required by law no notice of any such request was ever served on the husband —National Law Journal

2. : to make legal service upon (the person named in a process) : inform or notify by legal service unless the city had been served with prior notice of a defect —Gene Mustain

3. : to put in (a term of imprisonment) has served five years of her sentence