If they can come back before November I think that would be a good idea just to be safe.There is no guarantee that the reentry permit will be approved, although it is very rare for reentry permits to be denied at least for the first two years.
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Note: Unless the context shows otherwise, all answers here were provided by Rajiv and were compiled and reported by our editorial team from comments, blog and community calls on immigration.com. Where transcribed from audio/video, a verbatim transcript is provided. Therefore, it may not conform to the written grammatical or syntactical form.
I was really excited when I heard from Amrita that my labor certification has been approved so quickly. I would like to thank Mr. Khanna and his staff for their dedicated support in this regards. I am expecting the same level of support from you for the rest of green card process.