Contact an immigration attorney to discuss your matter. Aside from making a verbal request, was a written request submitted?

Did you submit your request in writing to the interviewing officer and the reason for the abeyance? Procedures and guidelines vary from officer to...

A reentry permit protects a LPR's green card from abandonment, so residency may not be an issue. But your parents must also show physical presence...

Kindly submit a request as indicated by USCIS so they can send the document to you. It was apparently returned back to them by the post office.

You may check processing times for your petition here: https://egov.uscis.gov/processing-times/

You may submit an inquiry online or in writing. You may even call USCIS over the phone to find out.

Did your cousin receive a Notice to Appear (NTA)? There is a date, time and location of the immigration court he should appear at. You can enter...

If you received a removal order, speak to your attorney to see if a motion to reopen may be filed. Or consult with another immigration attorney...

You may have the joint sponsor sign a letter withdrawing their I-864 and submit a new I-864 through the new sponsor with proper supporting evidence.

When you fill out the application and submit it to the lockbox, you will then receive a receipt notice which will have the service center mentioned...