CSLM10067 - FAQs: employers questions and answers: what about time before start notice was sent?
Suggested answer
Ignore the period before the Start Notice was sent to you and start making deductions on the first pay-day after the start date on the bottom of the form.
Student Loan and Postgraduate Loan deductions are non-cumulative so are calculated on each current pay period only.
HMRC action
None