Apply for GC for mum - Africa

If the i-130 gets approved here in the US, how would they contact my mum in africa.

You file the I-130 with USCIS and when it is approved, USCIS sends it to NVC. NVC contacts you to designate a point of contact for your mother. they have a specific form for that. NVC also requests the I-864 Affidavit of Support and financial evidence from you. NVC sends to petition to the consulate to arrange for in-country processes (schedule interview, advise intending immigrant (mum) to get police clearance and a medical exam). etc...
 
You file the I-130 with USCIS and when it is approved, USCIS sends it to NVC. NVC contacts you to designate a point of contact for your mother. they have a specific form for that. NVC also requests the I-864 Affidavit of Support and financial evidence from you. NVC sends to petition to the consulate to arrange for in-country processes (schedule interview, advise intending immigrant (mum) to get police clearance and a medical exam). etc...

She can start getting the police clearance and medical exam now before they contact her?
 
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