Frequently asked questions

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Self Assessment FAQs

• What are the important dates for Self Assessment?
• What are the advantages to sending your tax return online?
• Which tax return forms can I send online?
• Can I send the Short Tax Return (SA200) online?
• What attachments can I send with my tax return?
• As an agent, can I send tax returns online for my clients?
• How do I show my client's agreement to their online return?
• There isn't enough space on the tax return. What do I do?
• How do I get a confirmation email for my tax return?
• Is there a Welsh language version of the tax return?
• If I am having problems using the Self Assessment Service - what do I do?
• What else can I do online?

If the above FAQs do not answer your question please visit:

Self Assessment: general enquiries