Is it possible to schedule a new interview with a consulate?

[silentgunna01]

I petitioned 2 years ago for my mother to receive a green card. The I-130 was approved and she attended her interview. Only problem was she was barred from entry for 10 years. We thought it was 5 years at the time but the interviewer asked us to do a waiver (I-601) but we decided to wait out the 10 year ban since it was only 2 years away and it was unlikely that the waiver would be approved. Do I have to start the process over or can we request a new interview date since the entry ban is now over.

[SG2020]

I petitioned 2 years ago for my mother to receive a green card. The I-130 was approved and she attended her interview. Only problem was she was barred from entry for 10 years. We thought it was 5 years at the time but the interviewer asked us to do a waiver (I-601) but we decided to wait out the 10 year ban since it was only 2 years away and it was unlikely that the waiver would be approved. Do I have to start the process over or can we request a new interview date since the entry ban is now over.

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Why was she barred for 10 years ? On what ground ?