Under Section 4(3) of the Probation of Offenders Act, 1958, the period of supervision —

A supervision order under section 4(3) of the Probation of Offenders Act, 1958 must specify a period of at least one year. During that period, the offender remains under the supervision of the probation officer named in the order. This minimum supervision period is distinct from the bond period under section 4(1), whose maximum is three years.