CISR97070 - Who to contact for more information: PT Operations
All Sole Trader and Partnership CIS work including all Monthly Return penalties work for all types of contractor (regardless of whether they are SA or CT taxpayers) has been centralised in PT Operations as well as any CIS work for a company in the role of a subcontractor.
Should you need to send new work to PT Operations the full postal address is:
PT Operations
HM Revenue & Customs
BX9 1BX