The primary purpose of the K1 Visa is for the U.S. citizen to bring his/her fiance(e) to the U.S. legally and the two of them must get married within 90 days upon the fiance(e)'s entry. Both parties should state in black and white that they intend to marry within the prescribed period.
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You must write a letter of intent to marry your foreign fiance(e) within 90 days upon their arrival in the U.S. See a sample letter of intent and write your own to include in your petition. It takes only a few moments to complete.
You also should write a letter stating your willingness to marry the petitioner within 90 days upon entering the U.S. Check out a beneficiary's sample letter of intent and use it to write your own version.
Select e-mails, chat logs, and snail mails covering discussions about your plans to marry. This demonstrates your willingness to pursue a life together and is a proof that no coercion is involved. Print these out or make copies to be included in the petition.
You may request friends and family members to write letters demonstrating their knowledge of your engagement and wedding plans. Letters from your parents are especially useful. Have the letters notarized. Three letters should suffice for the petition.
If you know someone whom you want to preside over your wedding, you may even request that person (a priest, an imam, or a non-denominational marriage officiant) to write a letter affirming your plans to marry. Include their business card (if they have one) and their letter in your petition.
You must be free to marry. If you have been married before, you must show that your prior marriages have legally ended. You must provide a copy of any of the following:
If you have never married before, you don't have to include proof of singleness in your petition.
You should be free to marry. If you have been married before, you have to send your fiance(e) documents to show that your prior marriages have legally ended in the form of final divorce decrees, final annulment decrees, or death certificate of previous spouse.
If you have never married before, you don't have to include proof of being single in the petition.
Your aim to marry has to be proven voluntary and mutual. Clear intentions emerge effortlessly.