HMRC may determine a code, if and to the extent that the payee does not object, to effect the recovery of all or part of a tax credit debt.

Sums deducted or to be deducted as a result of a determination made in reliance on paragraph (1) are to be treated, for the purposes of employers’ obligations and enforcement, in the same way as amounts of tax which the employer is liable to pay under provisions of these Regulations (so, for example, regulation 84 applies for the purposes of recovery).

Sums deducted as a result of a determination made in reliance on paragraph (1) are to be treated for the purposes of interest on the tax credit debt as having been paid on the first day of the tax year in respect of which the determination is made.

In this regulation “tax credit debt” means child tax credit or working tax credit that the payee is liable to repay to the Commissioners under or by virtue of an enactment.