Thanks for the reply. Not saying anything is right or wrong. Again, we are trying to do everything the right way from the start to minimize any delay in an already arduous process. We were up front with USCIS in our letters accompanying the 129f that we had an engagement celebration. I personally know someone who did the same thing with their Thai fiance, got approved for K1 by the US embassy in Bangkok and subsequently married in the US.
Excerpt from USCIS web site:
Validity of Marriages in the United States or Abroad
Validity of Marriage for Immigration Purposes
The applicant must establish validity of his or her marriage. In general, the legal validity of a marriage is determined by the law of the place where the marriage was celebrated (“place-of-celebration rule”). Under this rule, a marriage is valid for immigration purposes in cases where the marriage is valid under the law of the jurisdiction in which it is performed.
Consequently, if Myanmar does not recognize this as a marriage, I don't see how the US Embassy un Myanmar can arbitrarily say a binding marriage exists. We are confirming again with a Myanmar attorney because we are still not quite 2 months into NOA1 so switching to CR1 at this point would not prove too costly.
Also from USCIS web site:
In all cases, the burden is on the applicant to establish that he or she has a valid marriage with his or her U.S. citizen spouse for the required period of time.[2] In most cases, a marriage certificate is prima facie evidence that the marriage was properly and legally performed....
...If an official civil record cannot be produced, secondary evidence may be accepted on a case-by-case basis. An officer has the right to request an original record if there is doubt as to the authenticity of the record.
So by the logic that we are considered married, and we switch from K1 to CR1, what are the odds the Us Embassy will accept wedding photos as proof of marriage? No legal documents, just wedding photos.
Again, we could be wrong, and if we are, then we will switch to CR1.