CSLM10061 - FAQs: employers questions and answers: start notice held. when do deductions start?
Suggested answer
Follow the instructions given on the Start Notice. Start making deductions using the correct loan and or plan type shown on the first available payday, after the start date shown towards the bottom of the form.
If you are already making deductions, continue to do so.
You can find more information about starting student loan deductions on gov.uk