Form 8832 can be filed to request classification as "A foreign eligible entity with a single owner electing to be disregarded as a separate entity." (Line 6f).
If you are correct that you are not a foreign corporation but are something that would be treated as an SMLLC under US law, then I believe the default is to be treated as a disregarded entity so the form is not required, although it may be desirable to file the form so there is no ambiguity.
