Here are the details of the P4 concerning PCC, etc....
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FOR ALL IMMIGRANT VISA APPLICANTS: IMPORTANT NOTICE
1. As of January 1, 2002, ALL immigrant visa applicants over age 16 MUST
present Indian Police Certificates. Two certificates must be obtained as
follows: 1) a certificate from your local police station; 2) a certificate
from your Regional Passport Office.
2. For security reasons, applicants are NOT permitted to carry sealed
envelopes into the consulate, except for the medical report from the panel
physician. When you appear for your interview, please remove all required
documents from envelopes prior to entering the building. The Medical Report
SHOULD REMAIN SEALED.
3. Please read carefully the requirements regarding evidence of financial
support in the U.S. Please bring ALL required documents from the petitioner
and (if required) the joint sponsor on your FIRST visit. AVOID THE EXPENSE
AND INCONVENIENCE OF A SECOND TRIP TO THE CONSULATE. >
NO EXCEPTIONS WILL BE MADE REGARDING SPONSORS\' MINIMUM INCOME REQUIREMENTS.
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Hope this helps.