It is not clear whether the rate of deductions to recover overpayments will be limited by the regulations, but it appears not, as:
the aim is not to put in place a devolved Scottish equivalent of the very extensive regulation, systems, processes and manpower that DWP expends significant resource annually operating, in order to recover overpayments.
para 268 Social Security (Scotland) Bill [as introduced] Policy Memorandum, SP Bill 18-PM. (2017).