In the event of an employer making an overpayment of tax and /or
Class 1B NICs the overpayment must be repaid to the employer,
follow
PSA2110.
Under Regulation 116 where tax and/or Class 1B NICs is repaid
to an employer after 19 October following the year to which the PSA
applies, interest will be paid from
until the date the repayment is made.