Adding more things, like ongoing relationship evidence, is called Front-loading. USCIS does not require it nor will they consider the extra bits. It is added so that the CO at the embassy/consulate can see it when they received the approved petition.
S.Korean beneficiaries do not need to do this. As @powerpuff stated, you should bring it to the interview. And you should have evidence that spans the entire length of the relationship, from before the I-129F submittal to the day of the interview. The CO would want to see the relationship is still on-going.
I know this topic has already been discussed, but I am very concerned about this cause nobody confirms if it really works. I am US citizen by naturalization and I am trying to file the I-130 for my spouse but i dont have my naturalization certificate cause i lost it and i cant find it, and on the I-130 form the certificate number is asked but i dont have it since i dont even have my certificate. Now, for what i read in the other discussions I could use my US passport as proof, but my questions is ... Does anybody already tried this ? without the certificate and just using the US passport .. and Did it work ? without problems .... cause I am afraid that if I send just the passport with all the documentation they are gonna ask me for the certificate which i dont have and my petition is gonna get denied.. PLEASE HELP I really need to know from somebody who knows this for sure and has already gone throught the same problem THANK YOU
