Is anyone sure about the police clearance certificate validity...... is tht for 3 months or 6 months or one year ..n i want to know i have been to usa and have the last criminal record clearance in 2012 after that i didnt go to usa ....do i need to get the updated one or tht wd work as i didnt go to usa again...n can anyone tell me the processing from tht we won the ADR 18 nov 2015 n got the letter of confirmation on 26 nov ..still no replies ....can anyone tell about how we gonna be informed by email or post....n do we need to send the the approval letter of ADR to ottawa n if yes ..can you please tell me where to send n whom to address the letter...