SolvedCISR62210 | Monthly return: issue monthly return: Welsh language signal set
From HM Revenue & Customs · Construction Industry Scheme Reform Manual
| CISR62600 | Action guide contents | |—————————————————————————————————–|———————–|
Where the record of the addressee for a return has the Welsh Language signal set, the CIS300 must be issued in Welsh.
Refer such cases to the Welsh Language Unit (WLU). The helpline number is 0300 200 1900.