[bushpilot2]

Ted Cruz said he requested US passport in high school. Any idea his proof US citizenship?

[4Zoltan]

He could get a US passport with his Canadian birth certificate, his mother’s birth certificate and proof of her residency in the US.

[Yosemitest]

I ask someone before, "What was the first year that the FS-240 were require/issued at the time of birth?"
Cboldt answered:

... the answer was prefaced with a note that the form isn't and wasn't "required" in order for citizenship to attach.