A drug treatment and testing order made under section 52 of the Powers of Criminal Courts (Sentencing) Act 2000 before the repeal of that section by this Act is in force (or fully in force) need not include the provision referred to in subsection (6) of section 54 of that Act (periodic review by court) if the treatment and testing period (as defined by section 52(1) of that Act) is less than 12 months.