I agree with my colleagues. In addition, make sure that they have the correct address for you as the NVC will in most cases mail you or your attorney a notice if your application process is in danger of being terminated. This should protect you from the termination. Also, if you email them, make sure you get at the very least an automated response to confirm that you did contact them.
Need additional information - how did your wife enter the US, does she have any criminal record, was she ever removed from the US before, are removal proceedings pending. Assuming your spouse entered the US without inspection and has no criminal record or any other grounds of inadmissibility, as an immediate relative she may be eligible to apply for provisional unlawful presence waiver within the US. There are many requirements that must be satisfied for the waiver, including that the immigrant visa case must be pending with the Department of State. I would highly recommend hiring an immigration lawyer to guide you with the waiver process for your wife. Good luck.
You can simply email the national visa center that you are still interested, and it will be extended.
The above is intended only as general information, and does not constitute legal advice. You must speak with an attorney to discuss your individual case.
I agree with my colleagues that you should seek a consultation to see if your wife is eligible for the I-601a provisional waiver. Even though NVC sent you a letter does not mean that your wife is eligible, only that it is available for those seeking visas.
Answers here do not create an attorney-client relationship. It is only for educational purposes. Contact Law Office of John Ting at 469-645-8464 or by email, John@JohnTingLaw.com. We're located at 4026 S. Buckner Blvd., Dallas, TX. Visit our website at www.JohnTingLaw.com.
You have missed out relevant information regarding how and when she entered the U.S. If she entered legally, you may be able to apply to adjust her status in the U.S.
This response is general in nature and cannot be construed as legal advice, given that not enough facts are known. Any comments offered on Avvo are of a general nature only, and are not meant to create an attorney-client relationship. If you would like additional information based on this response, please contact my office at 510 657 7665 or 415 902 0832 to schedule a consultation.