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HMRC internal manual

Debt Management and Banking Manual

Pre-enforcement: coding out: class 2 NIC debts: Debt Management Telephone Centre (DMTC)

The DMTC will deal with all inbound calls from taxpayers as a result of the issue of IDMS campaign letters.

If you are in DMB and you receive a phone enquiry regarding class 2 NIC debts, redirect the caller to the DMTC on the number 0300 200 3855.