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DHA-31: Marriage Declaration for Foreign Nationals

Form DHA-31 — Declaration for the Purpose of Marriage

Last Updated: March 7, 2026|Reviewed By: Home Affairs Editorial Team|Fact-checked against official DHA and Other Official Sources|Not affiliated with the DHA

Download Form DHA-31

If the link above does not open: Visit dha.gov.za and search for DHA-31. Also referred to as BI-31.

What Is Form DHA-31?

Form DHA-31 — also referred to as BI-31 — is the Declaration for the Purpose of Marriage, also known as a letter of no impediment. It is required when a foreign national is marrying in South Africa and must declare that they have no existing legal impediment to marriage (i.e., they are not currently married to someone else).

South African citizens marrying in South Africa do not need DHA-31 — their status is verifiable through the National Population Register.

Who Needs Form DHA-31?

You need Form DHA-31 if you are a foreign national who is:

  • Getting married inside South Africa, and
  • Your home country cannot be easily verified through South African systems

The form declares, under oath, that you are legally free to marry — you are not currently married, or if previously married, that the previous marriage has been legally dissolved by divorce or death.

How to Complete DHA-31

The form requires your full name, passport details, nationality, country of birth, and a sworn declaration that you are free to marry. It must be signed in the presence of a commissioner of oaths, a notary public, or a DHA official.

Documents Required

  • Completed Form DHA-31
  • Valid passport (original and certified copy)
  • If previously married: original divorce decree (apostilled and translated into English if not in English) or original death certificate of former spouse

Frequently Asked Questions

Does a South African citizen need DHA-31 to marry a foreign national? No. The South African citizen’s marital status is verified through the NPR. Only the foreign national party needs DHA-31.

What if my home country cannot issue a letter of no impediment? If your country of origin does not issue official letters of no impediment, contact the South African embassy or consulate in your country for guidance on how to satisfy this requirement.

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Requirements for foreign nationals marrying in South Africa vary. Confirm with the relevant DHA office or marriage officer before your ceremony.

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