Sa401 2025

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180 votes

The document provides instructions for individuals becoming partners in a partnership to register for Self Assessment and Class 2 National Insurance Contributions (NICs) using form SA401. It outlines the necessary steps, including the requirement for each partner to complete a separate form, the process for appointing an agent, and additional information regarding National Insurance numbers and partnership registration. The document emphasizes the importance of accurate information and includes contact details for further assistance.

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Click ‘Get Form’ to open the SA401 in the editor.
Begin by filling in your personal details in the 'About you' section. Include your title, surname, first name(s), National Insurance number, address, phone number, and date of birth.
Answer the residency questions regarding your status in the UK and whether you are the nominated partner for the partnership.
Provide information about the partnership you are joining. Fill in the name and address of the partnership, and if applicable, include the Unique Taxpayer Reference (UTR) or Company Registration Number (CRN).
Complete your declaration by signing and dating it at the end of the form to confirm that all information is accurate.

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Versions	Form popularity	Fillable & printable
2013	4.8 Satisfied (180 Votes)

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We have answers to the most popular questions from our customers. If you can't find an answer to your question, please contact us.

How long does it take to get a partnership with UTR?

Youll get your UTR by post 15 days after you register.

What is form SA401?

About this form. This form should be completed by an individual becoming a partner in a partnership, to register for Self Assessment and Class 2 NICs. It contains questions that help HM Revenue and Customs (HMRC) decide your tax return and Class 2 NICs requirements.

Where to send form SA400?

Send the completed SA400, together with any completed forms SA401, SA402 and 64-8 to: HM Revenue and Customs National Insurance Contributions and Employer Office BX9 1AN You can use the boxes aside to tell us how many other forms are enclosed with the SA400. Please do not attach anything else to these forms.

Where to send a CWF1 form?

Please send the completed form to: National Insurance Contributions Office Central Agent Authorisation Team Benton Park View Newcastle upon Tyne NE98 1ZZ or take it to any HM Revenue Customs office.

Where to send form ss 4?

Mail a completed Form SS-4 to the Internal Revenue Service Center at: o Within US- Attn: EIN Operation Cincinnati, OH 45999 o Outside US- Attn: EIN International Operation Cincinnati, OH 45999 You can receive your EIN by mail in about four (4) to six (6) weeks.

sa401 form

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Where do I send Form 8879?

Return the completed Form 8879 to the ERO by hand delivery, U.S. mail, private delivery service, email, Internet website, or fax. Your return wont be transmitted to the IRS until the ERO receives your signed Form 8879.