Clue: Nice setter, female, has year off in France with ex-PM (not that one who lied in court) (7,6)
Answer: JEFFREY ARCHER
Explanation: Definition: one who lied in court
JE='I'="setter" in French or in the french city of "Nice", plus F[emale], plus (year)* in FR[ance], plus [**that**]CHER="ex-PM / not **that**"