Cwestiynau a Ofynnir yn Aml

• Yn ôl i
• FAQs
• CIS FAQs

Who can use the CIS Online service?

• Contractors, known to HMRC.

• Agents managing CIS for contractors.

• Any organisation that already uses Electronic Data Interchange (EDI) or handles high volumes of contractors' CIS returns might want to think about using EDI for CIS submissions.

• Blaenorol
• Nesaf