anchor.diff:  - a printed copy of your completed affirmation or affidavit document
   - proof of your address, for example a tenancy agreement, utility bill or driving licence
   - evidence if you’ve changed your name by deed poll
  -- your partner’s Chinese ID card and Hukou (if they’re Chinese)
  -- your partner’s passport (if they’re any other foreign national)
  +- your partner’s Chinese ID card and Hukou
   
   If you or your partner have been married or in a civil partnership before, you’ll also need:
   
  
positive.code: 
  An affidavit is a religious document. If you do not want to swear a religious oath, you can sign an affirmation instead.
  
  s1. Download an [affirmation](/government/publications/affirmation-form-china) or [affidavit](/government/publications/affidavit-form-china).
  s2. Fill it in on your computer - it won't be accepted if it's handwritten.
  s3. Make an appointment to swear your affirmation or affidavit at [the embassy in Beijing](https://www.book-consular-appointment.service.gov.uk/TimeSelection?location=100&service=13) or the consulate in [Shanghai](https://www.book-consular-appointment.service.gov.uk/TimeSelection?location=77&service=13) or [Guangzhou](https://www.book-consular-appointment.service.gov.uk/TimeSelection?location=63&service=13).
  
  
  You’ll need to bring:
  
negative.code: 
  You do not need to register your marriage in the UK.
  
  If your partner is not a British citizen, they can apply for [British citizenship](/becoming-a-british-citizen/if-your-spouse-is-a-british-citizen) once they’ve lived in the UK for 3 years.
  