Discharge from Bankruptcy is usually a maximum of one year after being made bankrupt unless the court is satisfied from the official receiver or trustee that the person made bankrupt is not complying with their obligations, bankruptcy is not the easy option many people think it is.
A certificate of discharge is then issued, if requested at, I think, a cost of £70 this will be issued from the court. A certificate of satisfaction is issued for payment of a debt not discharge from bankruptcy