RM1204 | RA action: New cases
From HM Revenue & Customs · Repayment Claims Manual
If the allocation officer asks you to set up a new case before you receive a claim form you will be given the information you need.
Take the following action
allocate a reference from the District record of claims references. The reference must consist of one letter and up to five numbers
use the first letter of the taxpayer’s surname followed by the next unused number for that letter
prepare a R133 in the name of the taxpayer if you are told that it is a file case and put the claims reference on it.
The allocation officer will give you a D or CT reference for certain cases (RM1246). Cross reference the D or CT and Claims file covers
go to RM1500 to set the case up and issue the claim form